1. Institute of Health & Society, Newcastle University; Newcastle upon Tyne England, United Kingdom
2. Service de Genetique Medicale Maternite, CHUV; Lausanne Switzerland
3. Subdireccion de Salud Publica; San Sebastian Spain
4. Department of Hungarian Congenital Abnormality Registry and Surveillance; National Institute of Health Development; Hungary
5. Children's University Hospital of Zagreb, Clinical Hospital Sisters of Mercy; Zagreb Croatia
6. Unit of Epidemiology; IFC CNR (Tuscany Registry of Birth Defects); Pisa Italy
7. IMER Registry (Emila Romagna Registry of Birth Defects); Ferrara Italy
8. EUROCAT central registry; University of Ulster; Northern Ireland United Kingdom
9. Department de Genetique Medicale; Hopital de Hautepierre; Strasbourg France
10. Department of Health Sciences; University of Leicester; United Kingdom
11. Hospital Lillebaelt; Kolding Denmark
12. Department of Health Information and Research; Guardamangia Malta
13. Medical University of Graz; Austria
14. Department of Medical Genetics; University of Groningen; The Netherlands
15. Paris Registry of Congenital Malformations; INSERM U953 Paris France
16. Medical Birth Registry of Norway; Bergen Norway
17. Centro Superior de Investigación en Salud Pública; Valencia Spain
18. Polish Registry of Congenital Malformations; Poznan Poland
19. Centro de Estudos e registo de A C; Av Padre Cruz Lisbon Portugal
20. Health Service Executive; Dublin Ireland
21. Specialist in Public Health Medicine; Public Health Department; HSE South, Lacken Kilkenny Ireland
22. Provincial Institute for Hygiene; Antwerp Belgium
23. Health Service Executive; Cork Ireland
24. Birth Registry Mainz Model, Childrens Hospital, University Medical Center, Johannes Gutenberg-University; Mainz Germany
25. Naitre Aujhourd'hui, Saint Denis Cedex; Ile de la Reunion
26. Malformation Monitoring Centre Saxony-Anhalt; Medical Faculty Otto-von-Guericke University; Magdeburg Germany
27. National Perinatal Epidemiology Unit; University of Oxford; United Kingdom
28. National Registry of Congenital Anomalies; Department of Medical Genetics; Thomayer Hospital; Prague Czech Republic
29. St Michael's Hospital; Bristol United Kingdom
30. Public Health Wales; Wales United Kingdom
31. University Hospitals Southampton; Faculty of Medicine and Wessex Clinical Genetics Service; United Kingdom
32. OMNI-Net Ukraine Birth Defects Program; Khmelnytskyy Perinatal Center Ukraine