1. Department of Obstetrics and GynecologyUltrasound Unit, The Chaim Sheba Medical Center Ramat Gan Israel
2. Department of Pediatric CardiologyThe Chaim Sheba Medical Center Ramat Gan Israel
3. Sackler school of medicineTel Aviv University Tel Aviv Israel
4. Department of Pediatric RadiologyThe Chaim Sheba Medical Center Ramat Gan Israel
5. Department of Obstetrics and GynecologyUltrasound Unit, Wolfson Medical Center Holon Israel