1. Department of Obstetrics and Gynecology, “Filippo Del Ponte” Hospital, University of Insubria, Varese, Italy
2. Department of Gynaecologic Oncology, Oxford University Hospital, Oxford, UK
3. Departments of Obstetrics and Gynecology, University of Verona, Verona, Italy
4. Departments of Obstetrics and Gynecology, University Medical Center Ljubljana, Ljubljana, Slovenia