1. Department of Gynecology and Obstetrics, Baerum Hospital, Vestre Viken Hospital Trust, Norway
2. Faculty of Medicine, University of Oslo, Norway
3. Gillberg Neuropsychiatry Centre, Sahlgrenska Academy, University of Gothenburg, Sweden
4. Women and Children’s Division, Oslo University Hospital, Norway
5. Norwegian Resource Centre for Women’s Health, Oslo University Hospital, Norway