1. Department of Obstetrics and Gynecology, Maimonides Medical Center, Brooklyn, New York, USA
2. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Maimonides Medical Center, Brooklyn, New York, USA
3. Department of Obstetrics and Gynecology, SUNY Downstate Medical Center, Brooklyn, New York, USA
4. School of Public Health at SUNY Downstate Health Sciences University, Brooklyn, New York, USA