1. Department of Biomedical Engineering, School of Engineering, Columbia University, New York
2. Ultrasound Unit in Obstetrics and Gynecology, Lis Maternity Hospital, Tel-Aviv Medical Center, Tel-Aviv, Israel
3. Division of Obstetric and Gynecologic Ultrasound, Department of Obstetrics and Gynecology, New York University Medical Center, New York
4. Department of Biomedical Engineering, School of Engineering, Columbia University, New York,