1. Antenatal Diagnostic Unit, Department of Obstetrics and Gynecology, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel;
2. The Danek Gertner Institute of Human Genetics, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel;
3. Department of Diagnostic Radiology, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel;
4. Department of Pediatric Neurology, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel