1. Maternal-Fetal Surgery Section, Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology; Baylor College of Medicine; Houston TX USA
2. The Pavilion for Women; Texas Children's Hospital; Houston TX USA
3. Division of Maternal-Fetal Medicine; Baylor College of Medicine; Houston TX USA
4. Texas Children's Fetal Center; Texas Children's Hospital; Houston TX USA
5. Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine; Baylor College of Medicine; Houston TX USA