1. Department of Obstetrics and Gynecology; Baylor College of Medicine and Texas Children's Fetal Center; Houston TX USA
2. Women's Health Hospital; Assiut University; Assiut Egypt
3. Department of Obstetrics and Gynecology; Mayo Clinic College of Medicine; Rochester MN USA
4. Division of Pediatric Cardiology; Baylor College of Medicine and Texas Children's Fetal Center; Houston TX USA
5. Division of Pediatric Anesthesia; Baylor College of Medicine and Texas Children's Fetal Center; Houston TX USA
6. Division of Pediatric Surgery; Baylor College of Medicine and Texas Children's Fetal Center; Houston TX USA
7. Division of Congenital Heart Surgery; Baylor College of Medicine and Texas Children's Heart Center; Houston TX USA