1. Complex Operative Unit of Obstetrics and Gynecology, “Alto Tevere” Hospital of Città di Castello, ASL 1 Umbria, Italy;
2. Department of Obstetrics and Gynecology, Hopitaux Universitaires de Geneve, University of Geneva, Geneva, Switzerland;
3. Department of Gynecology, Narni Hospital, ASL 2 Umbria, Italy;
4. Department of Obstetrics and Gynecology, San Pietro Fatebenefratelli Hospital, Rome, Italy;
5. Department of Gynecological and Urological Sciences, Sapienza – University of Rome, Rome, Italy;
6. Department of Medical and Surgical Sciences and Translational Medicine, Sapienza – University of Rome, Rome, Italy