1. University of Groningen University Medical Center Groningen Department of GeneticsEurocat Northern Netherlands Groningen The Netherlands
2. Department of Epidemiology Emory University Rollins School of Public Health Atlanta GA USA
3. Birth Defects Epidemiology and Surveillance Branch Texas Department of State Health Services Austin TX US
4. ECEMC (Spanish Collaborative Study of Congenital Malformations) CIAC Instituto de Investigación de Enfermedades Raras (IIER) Instituto de Salud Carlos III Madrid Spain
5. Division of Congenital and Developmental Disorders National Center on Birth Defects and Development Disabilities Centers for Disease Control Atlanta GA USA
6. Health Services Management Research Centre Tabriz University of Medical Sciences Tabriz Iran
7. Department of Pediatrics University of Utah School of Medicine and the Utah Birth Defect Network Salt Lake City UT USA
8. National Network of Congenital Anomalies of Argentina (RENAC) National Center of Medical Genetics National Administration of Laboratories and Health Institutes (ANLIS) National Ministry of Health Buenos Aires Argentina
9. Malta Congenital Anomalies Registry Directorate for Health Information and Research Valetta Malta
10. Department of Basic Sciences of Health School of Health Pontificia Universidad Javeriana Cali Cali Colombia
11. National Board of Health and Welfare and University of Lund Stockholm Sweden
12. Department of Neonatology Soroka Medical Center Beer‐Sheva Israel
13. Inserm UMR 1153 Obstetrical Perinatal and Pediatric Epidemiology Research Team (Epopé) Center for Epidemiology and Statistics Sorbonne Paris Cité DHU Risks in Pregnancy Paris Descartes University Paris France
14. ECLAMC Center for Medical Education and Clinical Research (CEMIC‐CONICET) Buenos Aires Argentina
15. Genetics Department Hospital Universitario Dr Jose E. Gonzalez Universidad Autonóma de Nuevo León San Nicolás de los Garza Mexico
16. CARIS, The Congenital Anomaly Register for Wales Singleton Hospital Swansea UK
17. RYVEMCE Department of Genetics Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Mexico City Mexico
18. Department of Epidemiology, Arkansas Center for Birth Defects Research and Prevention and Arkansas Reproductive Health Monitoring System Fay Boozman College of Public Health University of Arkansas for Medical Sciences Little Rock AR USA
19. Institute of Clinical Physiology National Research Council and Fondazione Toscana Gabriele Monasterio Tuscany Registry of Congenital Defects Pisa Italy
20. Malformation Monitoring Centre Saxony‐Anhalt Medical Faculty Otto‐von‐Guericke University Magdeburg Germany
21. Department of Medical Genetics Thomayer Hospital Prague Czech Republic
22. Slovak Teratologic Information Centre (FPH) Slovak Medical University Bratislava Slovak Republic
23. Lombardy Congenital Anomalies Registry Cancer Registry Unit Fondazione IRCCS Istituto Nazionale tumori Milan Italy
24. Omni‐Net for Children International Charitable Fund Rivne Rivne Ukraine
25. Human Genetics Institute Pontificia Universidad Javeriana Bogotá Colombia
26. International Center on Birth Defects International Clearinghouse for Birth Defects Surveillance and Research Rome Italy