Affiliation: | Columbia University Irving Medical Center, 622 West 168th Street, PH16-139, New York, NY 10032, USA;University of Texas Southwestern, Medical Center in Dallas, Department of Obstetrics and Gynecology, Dallas, TX 75390, USA;University of Texas Southwestern, Medical Center in Dallas, Department of Obstetrics and Gynecology, Dallas, TX 75390, USA |