1 Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Warren Alpert Medical School of Brown University, Women and Infants Hospital of Rhode Island, 101 Dudley St., Providence, RI 02885. Electronic address: MegSmith@wihri.org.
2 Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Warren Alpert Medical School of Brown University, Women and Infants Hospital of Rhode Island, 101 Dudley St., Providence, RI 02885.
3 Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Columbia University, New York, NY.
4 Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, VA.
5 Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Virginia, Charlottesville, VA.
6 Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, UT.
7 Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Warren Alpert Medical School of Brown University, Women and Infants Hospital of Rhode Island, Providence, RI.