1. The Norwegian Continence and Pelvic Floor Centre, University Hospital of North Norway, Tromsø, Norway
2. Department of Clinical Medicine, Faculty of Health Science, University of Tromsø, Tromsø, Norway
3. Department of Clinical Research, University Hospital of North Norway, Tromsø, Norway
4. Department of Health and Caring Sciences, Faculty of Health Science, University of Tromsø, Tromsø, Norway
5. Department of Community Medicine, Faculty of Health Science, University of Tromsø, Tromsø, Norway
6. Nordland Hospital Bodø, Bodø, Norway
7. Department of Obstetrics and Gynaecology, University Hospital of North Norway Tromsø, Norway