1. 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
2. Perinatal Epidemiology and Reproductive Health Unit; Epidemiology, Biostatistics and Clinical Research Centre; School of Public Health; Free University of Brussels; Brussels Belgium
3. Landspitali University Hospital; Reykjavik Iceland
4. THL National Institute for Health and Welfare; Helsinki Finland
5. Obstetrics Clinic; Rigshospitalet University Hospital; Copenhagen Denmark
6. Medical Faculty; Ljubljana University; Ljubljana Slovenia
7. Department of Child Health; TNO Netherlands Organization for Applied Scientific Research; Leiden the Netherlands