1. Centre for Clinical Research Sörmland, Uppsala University, Eskilstuna, Sweden
2. Department of Obstetrics and Gynecology, Nyköping Hospital, Nyköping, Sweden
3. Department of Obstetrics and Gynecology, Mälar Hospital, Eskilstuna, Sweden
4. Department of Surgical Sciences, Radiology, Uppsala University, Uppsala, Sweden
5. Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden