1. Administrative Data Research Centre Northern Ireland; Ulster University; Newtownabbey UK
2. Institute of Nursing and Health Research; Ulster University; Newtownabbey UK
3. Paediatric Department; Hospital Lillebaelt; Kolding Denmark
4. Provinciaal Instituut voor Hygiene (PIH); Antwerp Belgium
5. Children's Hospital Zagreb; Medical School University of Zagreb; Zagreb Croatia
6. Registre des Malformations Congenitales de la Reunion; St Pierre Ile de la Reunion
7. Paris Registry of Congenital Anomalies; Maternité de Port-Royal; Paris France
8. Mainz Model Birth Registry; University Children's Hospital Mainz; Mainz Germany
9. Malformation Monitoring Centre Saxony-Anhalt; Otto-von-Guericke University Magdeburg; Magdeburg Germany
10. Department of Public Health; Health Service Executive - South East; Kilkenny Ireland
11. IMER Registry (Emilia Romagna Registry of Birth Defects); University of Ferrara and Azienda Ospedaliero Universitaria di Ferrara; Ferrara Italy
12. Tuscany Registry of Congenital Defects; CNR Institute of Clinical Physiology/Fondazione Toscana “Gabriele Monasterio”; Pisa Italy
13. Eurocat Northern Netherlands; University of Groningen; Groningen The Netherlands
14. Domain for Health Data and Digitalization; Norwegian Institute of Public Health; Bergen Norway
15. Department of Global Public Health and Primary Care; University of Bergen; Bergen Norway
16. Department of Medical Genetics; Polish Registry of Congenital Malformations; Poznan Poland
17. Rare Diseases Joint Research Unit; FISABIO-UVEG; Valencia Spain
18. Medical Genetics; CHUV; Lausanne Switzerland
19. OMNI-Net; Khmelnytsky Regional Medical Genetic Center; Khmelnytsky Ukraine
20. Congenital Anomaly Register and Information Service for Wales; Public Health Wales; Cardiff UK