1 Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, University of California, Irvine, Orange, CA. Electronic address: [email protected].
2 Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Icahn School of Medicine at Mount Sinai, New York, NY.
3 Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Columbia University Irving Medical Center, New York, NY.
4 Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, UT.