[1] Paolo Giaccone Hosp, Unit Obstet & Gynecol, I-90127 Palermo, Italy
[2] Univ Palermo, Dept Hlth Promot Mother & Child Care, Internal Med & Med Specialties PROMISE, I-90127 Palermo, Italy
[3] Univ Vita Salute San Raffaele, IRCCS San Raffaele Sci Inst, Dept Obstet & Gynecol, I-20132 Milan, Italy
[4] IRCCS Fdn G Pascale, Unit Gynecol Oncol, Natl Canc Inst, I-80131 Naples, Italy
[5] Univ Cagliari, Dept Surg Sci, Div Gynecol & Obstet, I-09124 Cagliari, Italy
[6] Univ Foggia, Inst Obstet & Gynecol, Dept Med & Surg Sci, I-71121 Foggia, Italy
[7] Univ Bari Aldo Moro, Dept Interdisciplinary Med DIM, Unit Obstet & Gynecol, Policlin Bari, Piazza Giulio Cesare 11, I-70124 Bari, Italy
[8] Univ Campania Luigi Vanvitelli, Dept Woman Child & Gen & Specialized Surg, I-80138 Naples, Italy
[9] Univ Catania, Dept Gen Surg & Med Surg Specialism, Unit Obstet & Gynecol, PO G Rodolico,Via Santa Sofia 78, I-95123 Catania, Italy
[10] Univ Perugia, Dept Med & Surg, Sect Obstet & Gynecol, I-06156 Perugia, Italy
[11] Helena Venizelou Hosp, Dept Obstet & Gynecol, Athens, Greece