1. Department of Obstetrics and Gynecology, “Filippo Del Ponte” Hospital, University of Insubria, Varese, Italy;
2. Gynecologic Oncology Unit, Oxford University Hospitals, NHS Trust, Oxford, UK;
3. Department of Woman and Child Health, Fondazione Policlinico Agostino Gemelli, I.R.C.C.S. Rome, Italy