1. Arbor Vitae Endoscopic Centre, 00191 Rome, Italy
2. Unit of Gynecologic Oncology, ARNAS “Civico—Di Cristina—Benfratelli”, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy
3. Centre for Research in Perinatal and Reproductive Medicine, University of Perugia, 06123 Perugia, Italy
4. Section of Obstetrics and Gynecology, Department of Medicine and Surgery, S. Maria della Misericordia Hospital, Perugia University, 06123 Perugia, Italy