Affiliation: | 1. Maternal-Fetal Medicine Unit, Department of Obstetrics and Gynecology, University of Brescia, Brescia, Italy;2. Maternal-Fetal Medicine Unit, Department of Obstetrics and Gynecology, University of Brescia, Brescia, Italy Department of Obstetrics and Gynecology, University of Parma, Parma, Italy |