Affiliation: | a Department of Obstetrics and Gynecology, Telemark Hospital, Skien, Norway b Tornblad Institute, University of Lund, Lund, Sweden c Perinatal Center, Department of Obstetrics and Gynecology, Institute for the Health of Women and Children, Sahlgrenska Academy, Göteborg, Sweden d North Atlantic Neuro-Epidemiology Alliances, Department of Epidemiology and Social Medicine, University of Aarhus, Aarhus, Denmark |