1. Department of Woman and Child Health, Policlinico A. Gemelli Foundation-IRCCS, Rome, Italy
2. Department of Obstetrics and Gynecology, San Martino Hospital, Genoa, Italy
3. Oncology Unit, AULSS 3, Mirano, Italy
4. Obstetrics and Gynecology Unit, Department of General Surgery and Medical Surgical Specialties, University of Catania, Catania, Italy
5. University Local Health Authority Giuliano Isontina ASUGI, Trieste,Italy