1. Department of Pharmacy and Pharmacology University of Bath Bath UK
2. IMER (Emilia‐Romagna Registry of Birth Defects) Azienda Ospedaliero‐Universitaria di Ferrara Ferrara Italy
3. Department of Nursing, College of Human and Health Sciences Swansea University Swansea Wales UK
4. Institute of Clinical Physiology, National Research Council (IFC‐CNR) Pisa Italy
5. Pharmacologie, Médicale, Faculté de Médecine Université de Toulouse III, INSERM UMR1027 Toulouse France
6. Medical Birth Registry of Norway The Norwegian Institute of Public Health Oslo Norway
7. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
8. Section of Social Medicine, Department of Public Health University of Copenhagen Copenhagen Denmark
9. Hospital Lillebaelt Kolding Denmark
10. Agenzia Regionale di Sanità della Toscana Florence Italy
11. Pharmacoepidemiology and Pharmacoeconomics Unit, Department of Pharmacy University of Groningen Groningen The Netherlands
12. Drug Policy Service Emilia‐Romagna Region Health Authority Bologna Italy
13. Institute of Life Science, College of Medicine Swansea University Swansea Wales UK