1. Department of Obstetrics and Gynecology, “Perrino” Hospital, Brindisi, Italy;
2. Department of Obstetrics and Gynecology, “Caberlingo” Hospital, Brindisi, Italy;
3. Department of Obstetrics and Gynecology, University Medical School “A. Moro”, Bari, Italy;
4. Departments of Obstetrics and Gynecology, Ospedale degli Infermi, Biella, Italy;
5. Division of Gynecologic Oncology, Università Cattolica del Sacro Cuore, Campobasso, Italy;
6. Department of Obstetrics and Gynecology, Presidio Policlinico di Monserrato, University of Cagliari, Monserrato, Italy