1. Department of Obstetrics and Gynecology Odense University Hospital Odense C Denmark
2. Institute of Clinical Research University of Southern Denmark Odense C Denmark
3. OPEN, Odense Patient data Explorative Network Odense University Hospital Odense C Denmark
4. Department of Obstetrics Copenhagen University Hospital (Rigshospitalet) Copenhagen Ø Denmark
5. The Research Unit Women’s and Children’s Health Section 7821 Juliane Marie Centre Copenhagen University Hospital (Rigshospitalet) Copenhagen Ø Denmark
6. Department of Clinical Medicine Aalborg University Aalborg Denmark
7. Department of Obstetrics and Gynecology Aalborg University Hospital Aalborg Denmark
8. Department of Pediatrics (Intensive Care Neonatology) Aarhus University Hospital Aarhus N Denmark
9. Perinatal Epidemiology Research Unit Department of Pediatrics Aarhus University Hospital Aarhus N Denmark