1. Division of Medical Genetics, Department of Pediatrics University of Utah School of Medicine Salt Lake City Utah USA
2. Birth Defects Epidemiology and Surveillance Branch, Texas Department of State Health Services Austin Texas USA
3. Faculty of Medicine Universidad de Alcalá Madrid Spain
4. Czech Republic Department of Medical Genetics Thomayer Hospital Prague Czech Republic
5. Université Paris Cité, Centre of Research in Epidemiology and StatisticS (CRESS), Obstetrical Perinatal and Pediatric Epidemiology Research Team (EPOPé), INSERM, INRA Paris France
6. France REMERA, Registre des malformations en Rhône Alpes, Hospices Civils de Lyon Lyon France
7. Malformation Monitoring Centre Saxony‐Anhalt, Medical Faculty Otto‐von‐Guericke‐University Magdeburg Magdeburg Germany
8. Hungarian Congenital Anomalies Registry and Rare Diseases Centre, National Center for Public Health and Pharmacy Budapest Hungary
9. Lombardy Congenital Anomalies Registry, Cancer Registry Unit, Fondazione IRCCS, Istituto Nazionale dei tumori Milan Italy
10. Unit of Epidemiology of Rare Diseases and Congenital Anomalies Institute of Clinical Physiology, National Research Council and Fondazione Toscana Gabriele Monasterio, Tuscany Registry of Congenital Defects Pisa Italy
11. Malta Congenital Anomalies Registry, Directorate for Health Information and Research Pieta Malta
12. Department of Genetics, University of Groningen University Medical Center Groningen Groningen the Netherlands
13. Faculty of Public Health Slovak Medical University in Bratislava Bratislava Slovak Republic
14. ECEMC (Spanish Collaborative Study of Congenital Malformations), CIAC (Research Center on Congenital Anomalies) Institute of Rare Diseases Research (IIER), Instituto de Salud Carlos III Madrid Spain
15. Congenital Anomaly Register & Information Service for Wales, Public Health Wales, Knowledge Directorate, Singleton Hospital Sketty Lane Swansea UK
16. Health Services Management Research Centre Tabriz University of Medical Sciences Tabriz Iran
17. National Network of Congenital Anomalies of Argentina (RENAC), National Institute of Epidemiology (INE) National Administration of Laboratories and Health Institutes, National Ministry of Health Institutes Buenos Aires Argentina
18. Regional Register Congenital Malformation Maule Health Service (RRMC‐SSM) Maule Chile
19. Instituto de Genética Humana, Pontificia Universidad Javeriana Bogotá Bogotá Colombia
20. Facultad de Ciencias de la Salud, Pontificia Universidad Javeriana Cali Cali Colombia
21. Mexico ReDeCo Monterrey Nuevo Leon Mexico
22. Department of Genetics, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán RYVEMCE, Registry and Epidemiological Surveillance of Congenital Malformations Mexico City Mexico
23. ECLAMC, Center for Medical Education and Clinical Research (CEMIC‐CONICET) Buenos Aires Argentina
24. Costa Rican Birth Defects Register Center (CREC) Costa Rican Institute for Research and Teaching in Nutrition and Health (INCIENSA) Cartago Costa Rica
25. Department of Medical Genetics and Pediatrics Alberta Congenital Anomalies Surveillance System, Alberta Children's Hospital Calgary Alberta Canada
26. Canadian Congenital Anomalies Surveillance System (CCASS), Centre for Surveillance and Applied Research, Public Health Agency of Canada Ottawa Ontario Canada
27. Department of Epidemiology, Fay W. Boozman College of Public Health University of Arkansas for Medical Sciences and Arkansas Reproductive Health Monitoring System, Arkansas Children's Research Institute Little Rock Arkansas USA
28. Metropolitan Atlanta Congenital Defects Program, National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention Atlanta Georgia USA
29. Utah Birth Defect Network, Office of Children with Special Care Needs, Division of Family Health, Utah Department of Health and Human Services Salt Lake City Utah USA
30. International Center on Birth Defects, International Clearinghouse for Birth Defects Surveillance and Research Rome Italy
31. Department of Pediatrics The University of Utah Salt Lake City Utah USA