1 Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, The Valley Hospital, Ridgewood, NJ, USA; Department of Obstetrics and Gynecology, New York University School of Medicine, New York, NY, USA. Electronic address: Zeloca@valleyhealth.com.
2 1910 La Bellezza Grove, Colorado Springs, CO 80919, USA. Electronic address: smartin@southerncoloradomfm.com.