1. Research Unit of General Practice, Department of Public Health, Faculty of Health Sciences, University of Southern Denmark, Odense C, Denmark; Department of Gynaecology and Obstetrics, University Hospital of Zealand, Roskilde, Denmark
2. Research Unit of General Practice, Department of Public Health, Faculty of Health Sciences, University of Southern Denmark, Odense C, Denmark
3. Research Unit of Gynaecology and Obstetrics (RUGO), Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense C, Denmark; Department of Women’s and Children’s Health, Division of Obstetrics and Gynecology, Karolinska Universitetssjukhuset, Stockholm, Sweden
4. Department of Gynaecology and Obstetrics, University Hospital Odense, Odense C, Denmark
5. National Institute of Public Health, Faculty of Health Sciences, University of Southern Denmark, Copenhagen, Denmark