1. Department of Obstetrics and Gynecology, The Sheba Medical Center, Tel Hashomer, Israel
2. School of Medicine, Tel Aviv University, Tel Aviv-Yafo, Israel
3. Department of Obstetrics and Gynecology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
4. Lorry I. Lokey Interdisciplinary Center for Life Sciences & Engineering, Technion-Israel Institute of Technology, Haifa, Israel
5. Stanford University School of Medicine, Stanford, CA, USA