1. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
2. Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel
3. Department of Obstetrics and Gynecology, Division of Ultrasound in ObGyn, Lis Maternity Hospital, Tel Aviv Medical Center, Tel Aviv, Israel
4. Department of Obstetrics and Gynecology, Faculty of Health Sciences, Barzilai University Medical Center, Ben-Gurion University of the Negev, Beersheba, Israel
5. Ultrasound in Obstetrics and Gynecology Unit, Chaim Sheba Medical Center, Ramat Gan, Israel
6. Department of Obstetrics and Gynecology, Shamir Medical Center (Assaf Harofeh), Be'er Ya'akov, Israel
7. Helen Schneider Women's Hospital, Rabin Medical Center, Petah Tikva, Israel