Affiliation: | 1. Department of Obstetrics and Gynecology, University of Rome Tor Vergata, Rome, Italy;2. Department of Obstetrics and Gynecology, G. B. Grassi Hospital, Rome, Italy;3. Prenatal Diagnostic Center, Salerno, Italy;4. DIMED Prenatal Diagnostic Center, Naples, Italy;5. Reproductive Medicine Surgical Unit, Misericordia Hospital, Grosseto, Italy;6. Prenatal Diagnostic Center, Nocera Inferiore, Italy |