1. Department of Public Health; Section for Clinical Social Medicine and Rehabilitation; Faculty of Health; Aarhus University; Aarhus Denmark
2. Department of Public Health; Section for Nursing; Faculty of Health; Aarhus University; Aarhus Denmark
3. Department of Clinical Medicine; Faculty of Health; Aarhus University; Aarhus Denmark
4. Department of Gynaecology and Obstetrics; The Regional Hospital in Horsens; Horsens Denmark
5. Department of Gynaecology and Obstetrics; Aarhus University Hospital; Aarhus Denmark