1. Department of Obstetrics and Gynecology, Policlinico of Bari, University of Bari, Bari, Italy
2. Department of Obstetrics and Gynecology, Unit of Oncologic Gynecology, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
3. ASST di Lecco, Manzoni Hospital, Lecco, Italy