1. Department of Gynaecology and Obstetrics Aarhus University Hospital Aarhus Denmark
2. Department of Clinical Medicine Aarhus University Aarhus Denmark
3. Research Unit for General Practice Institute of Public Health, University of Southern Denmark Odense Denmark
4. The Department of Clinical Research University of Southern Denmark Odense Denmark
5. Odense University Hospital Odense Denmark
6. Department of Gynaecology and Obstetrics Odense University Hospital Odense Denmark