1. Department of Surgical Sciences, Unit of Obstetrics and Gynaecology, University of Foggia, Foggia, Italy
2. Department of Gynaecology, Obstetrics and Pathophysiology of Human Reproduction, University of Naples “Federico II”, Naples, Italy
3. Department of Obstetrics & Gynecology, University of Salerno, Salerno, Italy
4. Centro Oncologico Fiorentino “CFO,” Sesto Fiorentino, Italy
5. UOC Obstetrics & Gynecology, “San Giuseppe” Hospital, Empoli, Italy
6. Department of Paediatrics, Obstetrics & Reproductive Medicine, Section of Obstetrics & Gynecology, University of Siena, Siena, Italy