1. Department of Gynecology and Obstetrics; Odense University Hospital; Odense Denmark
2. University of Southern Denmark; Odense Denmark
3. Department of Endocrinology; Odense University Hospital; Odense Denmark
4. Department of Gynecology and Obstetrics; Aarhus University Hospital, Skejby; Aarhus Denmark
5. Division of Surgery; University College London; Northwick Park Institute for Medical Research Campus; London UK