Affiliation: | 1.Department of Obstetrics and Gynecology, Campus Bio-Medico University, Via Alvaro del Portillo 200, Rome, Italy ;2.Department of Obstetrics and Gynecology, Hospital State of Republic of San Marino, San Marino, Republic of San Marino ;3.Obstetrics and Gynecology Unit, IRCCS San Raffaele Hospital, Milan, Italy ;4.Section of Gynecology and Obstetrics, Department of Woman and Child Health, Careggi University Hospital, Florence, Italy ; |