diff --git a/category_tree.json b/category_tree.json
index 7b9b9d5ca077249f16617525b0284081290a050e..3b878f631fd5d77fbd59644e06d525dbd06805a4 100644
--- a/category_tree.json
+++ b/category_tree.json
@@ -20,7 +20,7 @@
                     ],
                     "code": "ei_bcs_cs",
                     "doc_href": null,
-                    "name": "Consumer surveys (source: DG ECFIN)"
+                    "name": "Consumer surveys"
                   },
                   {
                     "children": [
@@ -75,12 +75,12 @@
                     ],
                     "code": "ei_bcs_bs",
                     "doc_href": null,
-                    "name": "Business surveys - NACE Rev. 2 activity (source: DG ECFIN)"
+                    "name": "Business surveys - NACE Rev. 2 activity"
                   }
                 ],
                 "code": "ei_bcs",
                 "doc_href": null,
-                "name": "Business and consumer surveys (source: DG ECFIN)"
+                "name": "Business and consumer surveys"
               },
               {
                 "children": [
@@ -380,7 +380,7 @@
                     "children": [
                       {
                         "code": "aei_pr_soiler",
-                        "name": "Estimated soil erosion by water, by erosion level, land cover and NUTS 3 regions (source: JRC)"
+                        "name": "Estimated soil erosion by water, by erosion level, land cover and NUTS 3 regions"
                       },
                       {
                         "code": "aei_fm_ms",
@@ -388,11 +388,11 @@
                       },
                       {
                         "code": "tai10",
-                        "name": "Estimated soil loss by water erosion by land cover type (source: JRC)"
+                        "name": "Estimated soil loss by water erosion by land cover type"
                       },
                       {
                         "code": "tai11",
-                        "name": "Share of landcover types affected by severe erosion (source: JRC)"
+                        "name": "Share of landcover types affected by severe erosion"
                       }
                     ],
                     "code": "reg_aei",
@@ -12979,11 +12979,11 @@
                       },
                       {
                         "code": "hlth_cd_iap",
-                        "name": "Health impacts of air pollution (source: EEA)"
+                        "name": "Health impacts of air pollution"
                       },
                       {
                         "code": "sdg_11_52",
-                        "name": "Premature deaths due to exposure to fine particulate matter (PM2.5) (source: EEA)"
+                        "name": "Premature deaths due to exposure to fine particulate matter (PM2.5)"
                       }
                     ],
                     "code": "hlth_cd_pbt",
@@ -15601,7 +15601,7 @@
                     "children": [
                       {
                         "code": "educ_outc_pisa",
-                        "name": "Low achieving 15-year-olds in reading, mathematics or science by sex (source: OECD)"
+                        "name": "Low achieving 15-year-olds in reading, mathematics or science by sex"
                       }
                     ],
                     "code": "educ_outc_",
@@ -35052,11 +35052,11 @@
                       },
                       {
                         "code": "aei_pr_soiler",
-                        "name": "Estimated soil erosion by water, by erosion level, land cover and NUTS 3 regions (source: JRC)"
+                        "name": "Estimated soil erosion by water, by erosion level, land cover and NUTS 3 regions"
                       },
                       {
                         "code": "aei_ps_inp",
-                        "name": "Utilised agricultural area (UAA) managed by low-, medium- and high-input farms (source: FADN)"
+                        "name": "Utilised agricultural area (UAA) managed by low-, medium- and high-input farms"
                       },
                       {
                         "code": "tai05",
@@ -35072,11 +35072,11 @@
                       },
                       {
                         "code": "tai10",
-                        "name": "Estimated soil loss by water erosion by land cover type (source: JRC)"
+                        "name": "Estimated soil loss by water erosion by land cover type"
                       },
                       {
                         "code": "tai11",
-                        "name": "Share of landcover types affected by severe erosion (source: JRC)"
+                        "name": "Share of landcover types affected by severe erosion"
                       }
                     ],
                     "code": "aei_char",
@@ -35087,11 +35087,11 @@
                     "children": [
                       {
                         "code": "env_air_emis",
-                        "name": "Air pollutants by source sector (source: EEA)"
+                        "name": "Air pollutants by source sector"
                       },
                       {
                         "code": "env_air_gge",
-                        "name": "Greenhouse gas emissions by source sector (source: EEA)"
+                        "name": "Greenhouse gas emissions by source sector"
                       },
                       {
                         "code": "nrg_bal_s",
@@ -35297,7 +35297,7 @@
                   },
                   {
                     "code": "for_protect",
-                    "name": "Protected forests (source: FE)"
+                    "name": "Protected forests"
                   }
                 ],
                 "code": "for_sfmen",
@@ -36238,19 +36238,19 @@
                     "children": [
                       {
                         "code": "tran_sf_railac",
-                        "name": "Rail accidents by type of accident (source: ERA)"
+                        "name": "Rail accidents by type of accident"
                       },
                       {
                         "code": "tran_sf_railvi",
-                        "name": "Rail accidents victims by type of accident and category of persons involved (source: ERA)"
+                        "name": "Rail accidents victims by type of accident and category of persons involved"
                       },
                       {
                         "code": "tran_sf_raildg",
-                        "name": "Rail accidents involving the transport of dangerous goods (source: ERA)"
+                        "name": "Rail accidents involving the transport of dangerous goods"
                       },
                       {
                         "code": "tran_sf_railsu",
-                        "name": "Suicides involving railways (source: ERA)"
+                        "name": "Suicides involving railways"
                       }
                     ],
                     "code": "tran_sf_rail",
@@ -36261,27 +36261,27 @@
                     "children": [
                       {
                         "code": "tran_sf_roadse",
-                        "name": "Persons killed in road accidents by sex (source: CARE)"
+                        "name": "Persons killed in road accidents by sex"
                       },
                       {
                         "code": "tran_sf_roadus",
-                        "name": "Persons killed in road accidents by category of persons involved (source: CARE)"
+                        "name": "Persons killed in road accidents by category of persons involved"
                       },
                       {
                         "code": "tran_sf_roadag",
-                        "name": "Persons killed in road accidents by age (source: CARE)"
+                        "name": "Persons killed in road accidents by age"
                       },
                       {
                         "code": "tran_sf_roadro",
-                        "name": "Persons killed in road accidents by type of road (source: CARE)"
+                        "name": "Persons killed in road accidents by type of road"
                       },
                       {
                         "code": "tran_sf_roadve",
-                        "name": "Persons killed in road accidents by type of vehicle (source: CARE)"
+                        "name": "Persons killed in road accidents by type of vehicle"
                       },
                       {
                         "code": "tran_sf_roadnu",
-                        "name": "Road accidents by NUTS 3 regions (source: CARE)"
+                        "name": "Road accidents by NUTS 3 regions"
                       }
                     ],
                     "code": "tran_sf_road",
@@ -36292,19 +36292,19 @@
                     "children": [
                       {
                         "code": "tran_sf_aviaca",
-                        "name": "Air accident victims in commercial air transport, by country of occurrence and country of registration of aircraft (source: EASA)"
+                        "name": "Air accident victims in commercial air transport, by country of occurrence and country of registration of aircraft"
                       },
                       {
                         "code": "tran_sf_aviaaw",
-                        "name": "Air accident victims in aerial works, by country of occurrence and country of registration of aircraft (source: EASA)"
+                        "name": "Air accident victims in aerial works, by country of occurrence and country of registration of aircraft"
                       },
                       {
                         "code": "tran_sf_aviagah",
-                        "name": "Air accident victims in general aviation, by country of occurrence and country of registration of aircraft - maximum take-off mass above 2250 kg (source: EASA)"
+                        "name": "Air accident victims in general aviation, by country of occurrence and country of registration of aircraft - maximum take-off mass above 2250 kg"
                       },
                       {
                         "code": "tran_sf_aviagal",
-                        "name": "Air accident victims in general aviation by country of occurrence and country of registration of aircraft - maximum take-off mass under 2250 kg (source: EASA)"
+                        "name": "Air accident victims in general aviation by country of occurrence and country of registration of aircraft - maximum take-off mass under 2250 kg"
                       }
                     ],
                     "code": "tran_sf_avia",
@@ -36315,15 +36315,15 @@
                     "children": [
                       {
                         "code": "tran_sf_marv",
-                        "name": "Maritime accident victims by sea basin of occurrence and country of registration of vessels (source: EMSA)"
+                        "name": "Maritime accident victims by sea basin of occurrence and country of registration of vessels"
                       },
                       {
                         "code": "tran_sf_marvper",
-                        "name": "Maritime accident victims by sea basin of occurrence, country of registration of vessels and category of victims (source: EMSA)"
+                        "name": "Maritime accident victims by sea basin of occurrence, country of registration of vessels and category of victims"
                       },
                       {
                         "code": "tran_sf_marves",
-                        "name": "Maritime accident victims by sea basin of occurrence, country of registration of vessels and type of vessels  (source: EMSA)"
+                        "name": "Maritime accident victims by sea basin of occurrence, country of registration of vessels and type of vessels"
                       }
                     ],
                     "code": "tran_sf_mar",
@@ -36553,7 +36553,7 @@
                   },
                   {
                     "code": "rail_if_traff",
-                    "name": "Length of railway lines equipped with the railway traffic management system by type of signalling (source: ERA)"
+                    "name": "Length of railway lines equipped with the railway traffic management system by type of signalling"
                   },
                   {
                     "code": "ttr00003",
@@ -36561,7 +36561,7 @@
                   },
                   {
                     "code": "rail_if_lvlcros",
-                    "name": "Level crossings by type (source: ERA)"
+                    "name": "Level crossings by type"
                   }
                 ],
                 "code": "rail_if",
@@ -37540,11 +37540,11 @@
                   },
                   {
                     "code": "road_eqs_zev",
-                    "name": "Stock of zero-emission vehicles at 31st December by type of vehicle and type of motor energy (source: Eurostat and EAFO)"
+                    "name": "Stock of zero-emission vehicles at 31st December by type of vehicle and type of motor energy"
                   },
                   {
                     "code": "road_eqs_zevpc",
-                    "name": "Share of zero-emission vehicles in stock of all vehicles of the same type at 31st December, by type of vehicle and type of motor energy (source: Eurostat and EAFO)"
+                    "name": "Share of zero-emission vehicles in stock of all vehicles of the same type at 31st December, by type of vehicle and type of motor energy"
                   }
                 ],
                 "code": "road_eqs",
@@ -37662,11 +37662,11 @@
                   },
                   {
                     "code": "road_eqr_zev",
-                    "name": "New zero-emission vehicles by type of vehicle and type of motor energy (source: Eurostat, EAFO)"
+                    "name": "New zero-emission vehicles by type of vehicle and type of motor energy"
                   },
                   {
                     "code": "road_eqr_zevpc",
-                    "name": "Share of new zero-emission vehicles in all new vehicles of the same type, by type of vehicle and type of motor energy (source: Eurostat, EAFO)"
+                    "name": "Share of new zero-emission vehicles in all new vehicles of the same type, by type of vehicle and type of motor energy"
                   }
                 ],
                 "code": "road_eqr",
@@ -39750,11 +39750,11 @@
                   },
                   {
                     "code": "avia_tf_airpm",
-                    "name": "Commercial flights by reporting airport – monthly data (source: Eurocontrol)"
+                    "name": "Commercial flights by reporting airport – monthly data"
                   },
                   {
                     "code": "avia_tf_cm",
-                    "name": "Commercial flights by reporting country – monthly data (source: Eurocontrol)"
+                    "name": "Commercial flights by reporting country – monthly data"
                   }
                 ],
                 "code": "avia_tf",
@@ -39858,19 +39858,19 @@
                     "children": [
                       {
                         "code": "env_air_emis",
-                        "name": "Air pollutants by source sector (source: EEA)"
+                        "name": "Air pollutants by source sector"
                       },
                       {
                         "code": "env_air_emis_ind",
-                        "name": "Air pollutants by source sector aggregated for indicator sets (source EEA, aggregation by Eurostat)"
+                        "name": "Air pollutants by source sector aggregated for indicator sets"
                       },
                       {
                         "code": "env_air_gge",
-                        "name": "Greenhouse gas emissions by source sector (source: EEA)"
+                        "name": "Greenhouse gas emissions by source sector"
                       },
                       {
                         "code": "tai07",
-                        "name": "Ammonia emissions from agriculture - % of total emissions (source: EEA)"
+                        "name": "Ammonia emissions from agriculture - % of total emissions"
                       },
                       {
                         "code": "tai08",
@@ -39879,7 +39879,7 @@
                     ],
                     "code": "env_air_ai",
                     "doc_href": null,
-                    "name": "Air emission inventories (source: EEA)"
+                    "name": "Air emission inventories"
                   },
                   {
                     "code": "env_air_no2",
@@ -39893,12 +39893,12 @@
                     "children": [
                       {
                         "code": "env_air_no2",
-                        "name": "Nitrogen dioxide concentrations in European capital cities - monthly averages (source: EEA), experimental statistics"
+                        "name": "Nitrogen dioxide concentrations in European capital cities - monthly averages, experimental statistics"
                       }
                     ],
                     "code": "env_air_",
                     "doc_href": null,
-                    "name": "Nitrogen dioxide concentrations in European capital cities - monthly averages (source: EEA), experimental statistics"
+                    "name": "Nitrogen dioxide concentrations in European capital cities - monthly averages, experimental statistics"
                   }
                 ],
                 "code": "env_air",
@@ -40604,23 +40604,23 @@
                 "children": [
                   {
                     "code": "env_bio1",
-                    "name": "Natura 2000 protected areas (source: EEA)"
+                    "name": "Natura 2000 protected areas"
                   },
                   {
                     "code": "env_bio2",
-                    "name": "Common farmland bird index (sources: OECD, BirdLife)"
+                    "name": "Common farmland bird index"
                   },
                   {
                     "code": "env_bio3",
-                    "name": "Common bird indices by type of estimate (sources: EBCC, BirdLife, RSPB, CSO)"
+                    "name": "Common bird indices by type of estimate"
                   },
                   {
                     "code": "env_bio4",
-                    "name": "Protected areas (source: EEA)"
+                    "name": "Protected areas"
                   },
                   {
                     "code": "env_bio5",
-                    "name": "Proportion of fish stocks sustainably exploited (source: JRC-STECF)"
+                    "name": "Proportion of fish stocks sustainably exploited"
                   }
                 ],
                 "code": "env_biodiv",
@@ -43753,7 +43753,7 @@
                       },
                       {
                         "code": "pat_ep_tot",
-                        "name": "Patent applications to the EPO by country of applicants and inventors (2004 and onwards; source: EPO)"
+                        "name": "Patent applications to the EPO by country of applicants and inventors (2004 and onwards)"
                       },
                       {
                         "children": [
@@ -43816,7 +43816,7 @@
                       },
                       {
                         "code": "sdg_09_40",
-                        "name": "Patent applications to the European Patent Office by applicants' / inventors' country of residence (source: EPO)"
+                        "name": "Patent applications to the European Patent Office by applicants' / inventors' country of residence"
                       }
                     ],
                     "code": "pat",
@@ -52254,7 +52254,7 @@
               },
               {
                 "code": "sdg_02_20",
-                "name": "Agricultural factor income per annual work unit (AWU) (source: Eurostat, DG AGRI)"
+                "name": "Agricultural factor income per annual work unit (AWU)"
               },
               {
                 "code": "sdg_02_30",
@@ -52270,19 +52270,19 @@
               },
               {
                 "code": "sdg_02_60",
-                "name": "Ammonia emissions from agriculture (source: EEA)"
+                "name": "Ammonia emissions from agriculture"
               },
               {
                 "code": "sdg_06_40",
-                "name": "Nitrate in groundwater (source: EEA)"
+                "name": "Nitrate in groundwater"
               },
               {
                 "code": "sdg_15_50",
-                "name": "Estimated soil erosion by water - area affected by severe erosion rate (source: JRC)"
+                "name": "Estimated soil erosion by water - area affected by severe erosion rate"
               },
               {
                 "code": "sdg_15_60",
-                "name": "Common bird index by type of species - EU aggregate (source: EBCC)"
+                "name": "Common bird index by type of species - EU aggregate"
               }
             ],
             "code": "sdg_02",
@@ -52301,7 +52301,7 @@
               },
               {
                 "code": "sdg_03_30",
-                "name": "Smoking prevalence by sex (source: DG SANTE)"
+                "name": "Smoking prevalence by sex"
               },
               {
                 "code": "sdg_03_41",
@@ -52329,7 +52329,7 @@
               },
               {
                 "code": "sdg_11_40",
-                "name": "Road traffic deaths, by type of roads (source: DG MOVE)"
+                "name": "Road traffic deaths, by type of roads"
               },
               {
                 "code": "sdg_11_51",
@@ -52337,7 +52337,7 @@
               },
               {
                 "code": "sdg_11_52",
-                "name": "Premature deaths due to exposure to fine particulate matter (PM2.5) (source: EEA)"
+                "name": "Premature deaths due to exposure to fine particulate matter (PM2.5)"
               }
             ],
             "code": "sdg_03",
@@ -52364,7 +52364,7 @@
               },
               {
                 "code": "sdg_04_40",
-                "name": "Low achieving 15-year-olds in reading, mathematics or science (source: OECD)"
+                "name": "Low achieving 15-year-olds in reading, mathematics or science"
               },
               {
                 "code": "sdg_04_60",
@@ -52383,7 +52383,7 @@
             "children": [
               {
                 "code": "sdg_05_10",
-                "name": "Physical and sexual violence to women by age group (2012 data) (source: FRA)"
+                "name": "Physical and sexual violence to women by age group (2012 data)"
               },
               {
                 "code": "sdg_05_20",
@@ -52399,11 +52399,11 @@
               },
               {
                 "code": "sdg_05_50",
-                "name": "Seats held by women in national parliaments and governments (source: EIGE)"
+                "name": "Seats held by women in national parliaments and governments"
               },
               {
                 "code": "sdg_05_60",
-                "name": "Positions held by women in senior management positions (source: EIGE)"
+                "name": "Positions held by women in senior management positions"
               },
               {
                 "code": "sdg_04_10",
@@ -52430,23 +52430,23 @@
               },
               {
                 "code": "sdg_06_30",
-                "name": "Biochemical oxygen demand in rivers (source: EEA)"
+                "name": "Biochemical oxygen demand in rivers"
               },
               {
                 "code": "sdg_06_40",
-                "name": "Nitrate in groundwater (source: EEA)"
+                "name": "Nitrate in groundwater"
               },
               {
                 "code": "sdg_06_50",
-                "name": "Phosphate in rivers (source: EEA)"
+                "name": "Phosphate in rivers"
               },
               {
                 "code": "sdg_06_60",
-                "name": "Water exploitation index, plus (WEI+) (source: EEA)"
+                "name": "Water exploitation index, plus (WEI+)"
               },
               {
                 "code": "sdg_14_40",
-                "name": "Bathing sites with excellent water quality by locality (source: EEA)"
+                "name": "Bathing sites with excellent water quality by locality"
               }
             ],
             "code": "sdg_06",
@@ -52551,7 +52551,7 @@
               },
               {
                 "code": "sdg_09_40",
-                "name": "Patent applications to the European Patent Office by applicants' / inventors' country of residence (source: EPO)"
+                "name": "Patent applications to the European Patent Office by applicants' / inventors' country of residence"
               },
               {
                 "code": "sdg_09_50",
@@ -52575,7 +52575,7 @@
               },
               {
                 "code": "sdg_17_60",
-                "name": "High-speed internet coverage, by type of area (source: DG CNECT and Eurostat)"
+                "name": "High-speed internet coverage, by type of area"
               }
             ],
             "code": "sdg_09",
@@ -52649,7 +52649,7 @@
               },
               {
                 "code": "sdg_11_40",
-                "name": "Road traffic deaths, by type of roads (source: DG MOVE)"
+                "name": "Road traffic deaths, by type of roads"
               },
               {
                 "code": "sdg_11_51",
@@ -52677,7 +52677,7 @@
               },
               {
                 "code": "sdg_11_52",
-                "name": "Premature deaths due to exposure to fine particulate matter (PM2.5) (source: EEA)"
+                "name": "Premature deaths due to exposure to fine particulate matter (PM2.5)"
               }
             ],
             "code": "sdg_11",
@@ -52696,7 +52696,7 @@
               },
               {
                 "code": "sdg_12_30",
-                "name": "Average CO2 emissions per km from new passenger cars (source: EEA, DG CLIMA)"
+                "name": "Average CO2 emissions per km from new passenger cars"
               },
               {
                 "code": "sdg_12_41",
@@ -52727,7 +52727,7 @@
             "children": [
               {
                 "code": "sdg_13_10",
-                "name": "Net greenhouse gas emissions (source: EEA)"
+                "name": "Net greenhouse gas emissions"
               },
               {
                 "code": "sdg_13_21",
@@ -52735,15 +52735,15 @@
               },
               {
                 "code": "sdg_13_40",
-                "name": "Climate related economic losses (source: EEA)"
+                "name": "Climate related economic losses"
               },
               {
                 "code": "sdg_13_50",
-                "name": "Contribution to the international 100bn USD commitment on climate related expending (source: DG CLIMA, EIONET)"
+                "name": "Contribution to the international 100bn USD commitment on climate related expending"
               },
               {
                 "code": "sdg_13_60",
-                "name": "Population covered by the Covenant of Mayors for Climate & Energy signatories (source: Covenant of Mayors)"
+                "name": "Population covered by the Covenant of Mayors for Climate & Energy signatories"
               },
               {
                 "code": "sdg_07_40",
@@ -52751,7 +52751,7 @@
               },
               {
                 "code": "sdg_12_30",
-                "name": "Average CO2 emissions per km from new passenger cars (source: EEA, DG CLIMA)"
+                "name": "Average CO2 emissions per km from new passenger cars"
               }
             ],
             "code": "sdg_13",
@@ -52762,27 +52762,27 @@
             "children": [
               {
                 "code": "sdg_14_10",
-                "name": "Surface of the marine protected areas (source: DG ENV; EEA)"
+                "name": "Surface of the marine protected areas"
               },
               {
                 "code": "sdg_14_21",
-                "name": "Estimated trends in fish stock biomass, by fishing areas (source: JRC-STECF)"
+                "name": "Estimated trends in fish stock biomass, by fishing areas"
               },
               {
                 "code": "sdg_14_30",
-                "name": "Estimated trends in fishing pressure, by fishing area (source: JRC-STECF)"
+                "name": "Estimated trends in fishing pressure, by fishing area"
               },
               {
                 "code": "sdg_14_40",
-                "name": "Bathing sites with excellent water quality by locality (source: EEA)"
+                "name": "Bathing sites with excellent water quality by locality"
               },
               {
                 "code": "sdg_14_50",
-                "name": "Global mean surface seawater acidity (source: CMEMS)"
+                "name": "Global mean surface seawater acidity"
               },
               {
                 "code": "sdg_14_60",
-                "name": "Marine waters affected by eutrophication (Source: CMEMS)"
+                "name": "Marine waters affected by eutrophication"
               }
             ],
             "code": "sdg_14",
@@ -52797,31 +52797,31 @@
               },
               {
                 "code": "sdg_15_20",
-                "name": "Surface of the terrestrial protected areas (source: DG ENV; EEA)"
+                "name": "Surface of the terrestrial protected areas"
               },
               {
                 "code": "sdg_15_41",
-                "name": "Soil sealing index (source: EEA)"
+                "name": "Soil sealing index"
               },
               {
                 "code": "sdg_15_50",
-                "name": "Estimated soil erosion by water - area affected by severe erosion rate (source: JRC)"
+                "name": "Estimated soil erosion by water - area affected by severe erosion rate"
               },
               {
                 "code": "sdg_15_60",
-                "name": "Common bird index by type of species - EU aggregate (source: EBCC)"
+                "name": "Common bird index by type of species - EU aggregate"
               },
               {
                 "code": "sdg_15_61",
-                "name": "Grassland butterfly index - EU aggregate (source: EEA, BCE)"
+                "name": "Grassland butterfly index - EU aggregate"
               },
               {
                 "code": "sdg_06_30",
-                "name": "Biochemical oxygen demand in rivers (source: EEA)"
+                "name": "Biochemical oxygen demand in rivers"
               },
               {
                 "code": "sdg_06_50",
-                "name": "Phosphate in rivers (source: EEA)"
+                "name": "Phosphate in rivers"
               }
             ],
             "code": "sdg_15",
@@ -52844,15 +52844,15 @@
               },
               {
                 "code": "sdg_16_40",
-                "name": "Perceived independence of the justice system (source: DG COMM)"
+                "name": "Perceived independence of the justice system"
               },
               {
                 "code": "sdg_16_50",
-                "name": "Corruption Perceptions Index (source: Transparency International)"
+                "name": "Corruption Perceptions Index"
               },
               {
                 "code": "sdg_16_60",
-                "name": "Population with confidence in EU institutions by institution (source: DG COMM)"
+                "name": "Population with confidence in EU institutions by institution"
               }
             ],
             "code": "sdg_16",
@@ -52863,11 +52863,11 @@
             "children": [
               {
                 "code": "sdg_17_10",
-                "name": "Official development assistance as share of gross national income (source: DG INTPA, OECD)"
+                "name": "Official development assistance as share of gross national income"
               },
               {
                 "code": "sdg_17_20",
-                "name": "EU financing to developing countries by financing source (source: OECD)"
+                "name": "EU financing to developing countries by financing source"
               },
               {
                 "code": "sdg_17_30",
@@ -52883,7 +52883,7 @@
               },
               {
                 "code": "sdg_17_60",
-                "name": "High-speed internet coverage, by type of area (source: DG CNECT and Eurostat)"
+                "name": "High-speed internet coverage, by type of area"
               }
             ],
             "code": "sdg_17",
@@ -52981,11 +52981,11 @@
                 "children": [
                   {
                     "code": "sdg_11_51",
-                    "name": "Years of life lost due to PM2.5 exposure (source: EEA)"
+                    "name": "Years of life lost due to PM2.5 exposure"
                   },
                   {
                     "code": "sdg_02_52",
-                    "name": "Use of more hazardous pesticides (source: DG SANTE)"
+                    "name": "Use of more hazardous pesticides"
                   },
                   {
                     "code": "sdg_12_50",
@@ -54286,7 +54286,7 @@
                       },
                       {
                         "code": "qoe_ewcs_7b1",
-                        "name": "Employed persons being able to choose their methods of work or to influence their pace of work by sex and age (source: Eurofound)"
+                        "name": "Employed persons being able to choose their methods of work or to influence their pace of work by sex and age"
                       }
                     ],
                     "code": "qol_act_qlw",
@@ -54305,11 +54305,11 @@
                       },
                       {
                         "code": "qoe_ewcs_7a2",
-                        "name": "Employees having a good relationship with their supervisor by sex and age (source: Eurofound)"
+                        "name": "Employees having a good relationship with their supervisor by sex and age"
                       },
                       {
                         "code": "qoe_ewcs_7a1",
-                        "name": "Employed persons having a good relationship with their colleagues by sex and age (source: Eurofound)"
+                        "name": "Employed persons having a good relationship with their colleagues by sex and age"
                       }
                     ],
                     "code": "qol_act_qla",
@@ -56856,7 +56856,7 @@
                   },
                   {
                     "code": "qoe_ewcs_1c3",
-                    "name": "Employed persons discriminated at work during the last 12 months by sex and age (source: Eurofound)"
+                    "name": "Employed persons discriminated at work during the last 12 months by sex and age"
                   },
                   {
                     "code": "tqoe1c2",
@@ -56970,7 +56970,7 @@
                   },
                   {
                     "code": "qoe_ewcs_3c3",
-                    "name": "Mean duration of commuting time one-way between work and home by sex and age (source: Eurofound)"
+                    "name": "Mean duration of commuting time one-way between work and home by sex and age"
                   }
                 ],
                 "code": "qoe_wlb",
@@ -57014,7 +57014,7 @@
               },
               {
                 "code": "qoe_ewcs_4a5",
-                "name": "Employed persons expecting a possible loss of their job in the next 6 months by sex and age (source: Eurofound)"
+                "name": "Employed persons expecting a possible loss of their job in the next 6 months by sex and age"
               },
               {
                 "code": "lfsa_esgaed",
@@ -57060,27 +57060,27 @@
             "children": [
               {
                 "code": "qoe_ewcs_6_1",
-                "name": "Employed persons participating in job-related non-formal education and training in the past 12 months by sex and age (source: Eurofound)"
+                "name": "Employed persons participating in job-related non-formal education and training in the past 12 months by sex and age"
               },
               {
                 "code": "qoe_ewcs_6_2",
-                "name": "Volume of job-related non-formal education and training per participant in the last 12 months by duration, sex and age (source: Eurofound)"
+                "name": "Volume of job-related non-formal education and training per participant in the last 12 months by duration, sex and age"
               },
               {
                 "code": "qoe_ewcs_6_3",
-                "name": "Employed persons perceiving that their job-related non-formal education and training helped to improve the way they work by sex and age (source: Eurofound)"
+                "name": "Employed persons perceiving that their job-related non-formal education and training helped to improve the way they work by sex and age"
               },
               {
                 "code": "qoe_ewcs_6_4",
-                "name": "Employed persons whose job involves improving their skills by sex and age (source: Eurofound)"
+                "name": "Employed persons whose job involves improving their skills by sex and age"
               },
               {
                 "code": "qoe_ewcs_6_5",
-                "name": "Employed persons whose work experience and job skills would be helpful to find another job by sex and age (source: Eurofound)"
+                "name": "Employed persons whose work experience and job skills would be helpful to find another job by sex and age"
               },
               {
                 "code": "qoe_ewcs_6_6",
-                "name": "Employed persons having the opportunity to use their knowledge and skills in their current job by sex and age (source: Eurofound)"
+                "name": "Employed persons having the opportunity to use their knowledge and skills in their current job by sex and age"
               }
             ],
             "code": "qoe_trsk",
@@ -57093,15 +57093,15 @@
                 "children": [
                   {
                     "code": "qoe_ewcs_7a1",
-                    "name": "Employed persons having a good relationship with their colleagues by sex and age (source: Eurofound)"
+                    "name": "Employed persons having a good relationship with their colleagues by sex and age"
                   },
                   {
                     "code": "qoe_ewcs_7a2",
-                    "name": "Employees having a good relationship with their supervisor by sex and age (source: Eurofound)"
+                    "name": "Employees having a good relationship with their supervisor by sex and age"
                   },
                   {
                     "code": "qoe_ewcs_7a3",
-                    "name": "Employed persons exposed to employment-related physical, psychological or sexual violence in the last 12 months by sex and age (source: Eurofound)"
+                    "name": "Employed persons exposed to employment-related physical, psychological or sexual violence in the last 12 months by sex and age"
                   }
                 ],
                 "code": "qoe_rel",
@@ -57112,23 +57112,23 @@
                 "children": [
                   {
                     "code": "qoe_ewcs_7b1",
-                    "name": "Employed persons being able to choose their methods of work or to influence their pace of work by sex and age (source: Eurofound)"
+                    "name": "Employed persons being able to choose their methods of work or to influence their pace of work by sex and age"
                   },
                   {
                     "code": "qoe_ewcs_7b2",
-                    "name": "Employees receiving regular feedback from their supervisor by sex and age (source: Eurofound)"
+                    "name": "Employees receiving regular feedback from their supervisor by sex and age"
                   },
                   {
                     "code": "qoe_ewcs_7b3",
-                    "name": "Employed persons thinking that they do useful work by sex and age (source: Eurofound)"
+                    "name": "Employed persons thinking that they do useful work by sex and age"
                   },
                   {
                     "code": "qoe_ewcs_7b4",
-                    "name": "Employed persons having to work at very high speed or to tight deadlines by sex and age (source: Eurofound)"
+                    "name": "Employed persons having to work at very high speed or to tight deadlines by sex and age"
                   },
                   {
                     "code": "qoe_ewcs_7b5",
-                    "name": "Employed persons being able to influence decisions that affect their work by sex and age (source: Eurofound)"
+                    "name": "Employed persons being able to influence decisions that affect their work by sex and age"
                   }
                 ],
                 "code": "qoe_mot",
@@ -57181,11 +57181,11 @@
           },
           {
             "code": "sdg_02_60",
-            "name": "Ammonia emissions from agriculture (source: EEA)"
+            "name": "Ammonia emissions from agriculture"
           },
           {
             "code": "tai07",
-            "name": "Ammonia emissions from agriculture - % of total emissions (source: EEA)"
+            "name": "Ammonia emissions from agriculture - % of total emissions"
           },
           {
             "code": "tai08",
@@ -57193,11 +57193,11 @@
           },
           {
             "code": "tai10",
-            "name": "Estimated soil loss by water erosion by land cover type (source: JRC)"
+            "name": "Estimated soil loss by water erosion by land cover type"
           },
           {
             "code": "tai11",
-            "name": "Share of landcover types affected by severe erosion (source: JRC)"
+            "name": "Share of landcover types affected by severe erosion"
           },
           {
             "code": "sdg_07_30",
@@ -57218,7 +57218,7 @@
               },
               {
                 "code": "sdg_13_10",
-                "name": "Net greenhouse gas emissions (source: EEA)"
+                "name": "Net greenhouse gas emissions"
               },
               {
                 "code": "env_ac_ainah_r2",
@@ -57246,7 +57246,7 @@
               },
               {
                 "code": "sdg_12_30",
-                "name": "Average CO2 emissions per km from new passenger cars (source: EEA, DG CLIMA)"
+                "name": "Average CO2 emissions per km from new passenger cars"
               },
               {
                 "code": "cei_gsr011",
@@ -57390,11 +57390,11 @@
                   },
                   {
                     "code": "road_eqr_zev",
-                    "name": "New zero-emission vehicles by type of vehicle and type of motor energy (source: Eurostat, EAFO)"
+                    "name": "New zero-emission vehicles by type of vehicle and type of motor energy"
                   },
                   {
                     "code": "road_eqr_zevpc",
-                    "name": "Share of new zero-emission vehicles in all new vehicles of the same type, by type of vehicle and type of motor energy (source: Eurostat, EAFO)"
+                    "name": "Share of new zero-emission vehicles in all new vehicles of the same type, by type of vehicle and type of motor energy"
                   }
                 ],
                 "code": "cli_dri_tran",
@@ -57463,7 +57463,7 @@
                   },
                   {
                     "code": "aei_ps_inp",
-                    "name": "Utilised agricultural area (UAA) managed by low-, medium- and high-input farms (source: FADN)"
+                    "name": "Utilised agricultural area (UAA) managed by low-, medium- and high-input farms"
                   },
                   {
                     "code": "aei_fm_usefert",
@@ -57518,7 +57518,7 @@
                   },
                   {
                     "code": "for_protect",
-                    "name": "Protected forests (source: FE)"
+                    "name": "Protected forests"
                   },
                   {
                     "code": "for_profnc",
@@ -57639,11 +57639,11 @@
               },
               {
                 "code": "sdg_14_50",
-                "name": "Global mean surface seawater acidity (source: CMEMS)"
+                "name": "Global mean surface seawater acidity"
               },
               {
                 "code": "cli_iad_loss",
-                "name": "Climate related economic losses by type of event (source: EEA)"
+                "name": "Climate related economic losses by type of event"
               },
               {
                 "code": "nrg_chddr2_m",
@@ -57724,7 +57724,7 @@
                 "children": [
                   {
                     "code": "sdg_06_60",
-                    "name": "Water exploitation index, plus (WEI+) (source: EEA)"
+                    "name": "Water exploitation index, plus (WEI+)"
                   },
                   {
                     "code": "ten00001",
@@ -57752,7 +57752,7 @@
               },
               {
                 "code": "sdg_13_50",
-                "name": "Contribution to the international 100bn USD commitment on climate related expending (source: DG CLIMA, EIONET)"
+                "name": "Contribution to the international 100bn USD commitment on climate related expending"
               }
             ],
             "code": "cli_act",