1. Antenatal Diagnostic Unit, Department of Obstetrics and Gynecology, Sheba Medical Center, Tel HaShomer, Ramat Gan, Israel;
2. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel;
3. Pinchas Borenstein Talpiot Medical Leadership Program, Sheba Medical Center, Tel HaShomer, Ramat Gan, Israel