1. Gynecologic Oncology Unit, La Paz University Hospital, IdiPAZ, 28046 Madrid, Spain
2. Department of Obstetrics and Gynecology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Delhi 110092, India
3. Department of Surgical Sciences, University of Turin and Obstetrics & Gynecology Unit, Martini Hospital, 10141 Turin, Italy
4. Gynecologic Oncology Unit, Policlinico Universitario Agostino Gemelli, 00168 Rome, Italy