[1] Univ Naples Federico II, Dept Gynaecol & Obstet & Pathophysiol Human Repro, I-80131 Naples, Italy
[2] Univ Bari, Dept Gen & Specialist Surg Sci, Sect Obstet & Gynaecol, Bari, Italy
[3] Univ Foggia, Inst Obstet & Gynaecol, Dept Surg Sci, Foggia, Italy
[4] Univ Cagliari, Dept Surg, Unit Gynecol Obstet & Physiopathol Human Reprod, Cagliari, Italy
[5] Univ Cagliari, Dept Maternal Fetal Med, Unit Gynecol Obstet & Physiopathol Human Reprod, Cagliari, Italy
[6] Univ Cagliari, Dept Imaging Sci, Unit Gynecol Obstet & Physiopathol Human Reprod, Cagliari, Italy