1. Department of Medicine and Surgery, University Hospital of Parma, 43125 Parma, Italy
2. Unit of Obstetrics and Gynecology, Azienda USL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy
3. Department of Obstetrics and Gynecology, AOUI Verona, University of Verona, 37126 Verona, Italy
4. Department of Gynecologic Oncology, University of Palermo, 90127 Palermo, Italy
5. Department of Obstetrics and Gynaecology, Gynaecologic Oncology, and Minimally Invasive Pelvic Surgery, International School of Surgical Anatomy, Sacred Heart Hospital, 37024 Negrar, Italy
6. Pathology Unit, Department of Medicine and Surgery, University of Parma, 43125 Parma, Italy
7. Department of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples Federico II, 80131 Naples, Italy
8. Department of General Surgery and Medical-Surgical Specialties, Institute of Obstetrics and Gynecology, A.O.U. Policlinico Rodolico, San Marco, University of Catania, 95125 Catania, Italy
9. Unit of Gynecology and Obstetrics, Department of Human Pathology of Adult and Childhood “G. Barresi”, University of Messina, 98121 Messina, Italy