1. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology; Wayne State University/Detroit Medical Center; Detroit MI 48201
2. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology; The University of Texas Health Science Center at Houston; Houston TX 77030
3. C.S. Mott Center for Human Growth and Development; Wayne State University School of Medicine; Detroit MI 48201
4. Department of Obstetrics and Gynecology; Wayne State University/Detroit Medical Center; Detroit MI 48201