1. The Research Unit Women’s and Children’s Health, The Juliane Marie Centre, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
2. Department of Gynecology and Obstetrics, Zealand University Hospital, Roskilde, Denmark
3. The University Hospitals’ Centre for Health Research (UCSF), Copenhagen University Hospital (Rigshospitalet), Denmark
4. Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
5. Department of Obstetrics, Copenhagen University Hospital (Rigshospitalet), Denmark
6. The Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark