1. Departments of Global Public Health and Primary Care; University of Bergen; Bergen Norway
2. Departments of Clinical Science; University of Bergen; Bergen Norway
3. Department of Epidemiology; Rollins School of Public Health; Emory University; Atlanta GA
4. Clinical Epidemiology Unit, T2; Department of Medicine Solna; Karolinska University Hospital; Karolinska Institutet; Stockholm Sweden
5. Department of Clinical Science and Education; Södersjukhuset; Karolinska Institutet; Stockholm Sweden
6. Information Services Department; National Institute for Health and Welfare; Helsinki Finland
7. Department of Obstetrics and Gynecology and Women's Health; Albert Einstein College of Medicine/Montefiore Medical Center; Bronx NY
8. 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
9. Departments of Pediatrics and of Epidemiology, Biostatistics and Occupational Health; McGill University Faculty of Medicine; Montreal QC Canada