1. Department for Health Evidence, Radboud Institute for Health Sciences Radboud university medical center (Radboudumc) Nijmegen The Netherlands
2. Paediatric Surgery Radboudumc Amalia Children's Hospital Nijmegen The Netherlands
3. Department of Human Genetics Nijmegen The Netherlands
4. Department of Clinical Genetics and School for Oncology & Developmental Biology (GROW) Maastricht University Medical Center Maastricht The Netherlands
5. Department of Woman‐Mother‐Child University Medical Center CHUV Lausanne Switzerland
6. Rare Diseases Research Unit Foundation for the Promotion of Health and Biomedical Research in the Valencian Region Valencia Spain
7. Epidemiology Department National Institute of Health Doutor Ricardo Jorge Lisbon Portugal
8. Department of Health Sciences University of Leicester Leicester UK
9. Department of Health, Public Health Service Basque Government Basque Country Vitoria‐Gasteiz Spain
10. Malta Congenital Anomalies Register Directorate for Health Information and Research Pietà Malta
11. INSERM UMR 1153, Obstetrical, Perinatal and Pediatric Epidemiology Research Team (EPOPé), Center of Research in Epidemiology and Statistics Sorbonne Paris Cité (CRESS), DHU Risks in Pregnancy Paris Descartes University Paris France
12. European Commission, Joint Research Centre (JRC) Ispra Italy
13. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
14. Division for Mental and Physical Health Norwegian Institute of Public Health Bergen Norway
15. National Perinatal Epidemiology Unit, Nuffield Department of Population Health University of Oxford Oxford UK
16. Department of Medical Genetics University of Medical Sciences Poznań Poland
17. South West Congenital Anomaly Register (SWCAR), Bristol Medical School University of Bristol Bristol UK
18. Department of Public Health Health Service Executive – South Cork Ireland
19. National Congenital Anomaly and Rare Disease Registration Service Public Health England Newcastle upon Tyne UK
20. Department of Public Health Health Service Executive – South East Kilkenny Ireland
21. Provinciaal Instituut voor Hygiene (PIH) Antwerp Belgium
22. Registro IMER ‐ IMER Registry (Emilia Romagna Registry of Birth Defects), Center for Clinical and Epidemiological Research University of Ferrara, Azienda Ospedaliero‐Universitaria di Ferrara Ferrara Italy
23. Auvergne registry of congenital anomalies (CEMC‐Auvergne), Department of clinical genetics, Centre de Référence des Maladies Rares University Hospital of Clermont‐Ferrand Clermont‐Ferrand France
24. Tuscany Registry of Congenital Defects (RTDC) Institute of Clinical Physiology ‐ National Research Council / Fondazione Toscana Gabriele Monasterio Pisa Italy
25. Register of congenital malformations of Reunion Island CHU Réunion St Pierre France
26. Institute of Health & Society Newcastle University Newcastle UK
27. Malformation Monitoring Centre Saxony‐Anhalt Medical Faculty Otto‐von‐Guericke University Magdeburg Germany
28. Brittany Registry of congenital anomalies CHU Rennes, University Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) Rennes France
29. French West Indies Registry, Registre des Malformations des Antilles (REMALAN), Maison de la Femme de la Mère et de l'Enfant University Hospital of Martinique Fort‐de‐France France
30. CARIS, Public Health Wales Singleton Hospital Swansea UK
31. Wessex Clinical Genetics Department Princess Anne Hospital Southampton UK
32. Department of Pediatrics, Birth Registry Mainz Model University Medical Center of Mainz Mainz Germany
33. OMNI‐Net Ukraine Birth Defects Program and Khmelnytsky City Children's Hospital Khmelnytsky Ukraine
34. Centre for Maternal, Fetal and lnfant Research, lnstitute of Nursing and Health Research Ulster University Belfast UK
35. Centre of Excellence for Reproductive and Regenerative Medicine, Children's Hospital Zagreb Medical School University of Zagreb Zagreb Croatia
36. Department of Genetics, EUROCAT Northern Netherlands University of Groningen, University Medical Center Groningen Groningen The Netherlands