1. Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston
2. Division of Community & General Pediatrics, Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston
3. Department of Obstetrics, Gynecology, and Reproductive Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston
4. Department of Maternal-Fetal Medicine, Delaware Center of Maternal-Fetal Medicine, Newark, Deleware