1. Women's Medicine Collaborative‐Division of ResearchThe Miriam Hospital Providence Rhode Island USA
2. Division of Fetal and Transitional MedicineChildren's National Hospital Washington District of Columbia USA
3. Division of Maternal‐Fetal Medicine, Department of Obstetrics and GynecologyThe George Washington University School of Medicine and Health Science Washington District of Columbia USA
4. Department of Cardiology, Boston Children's Hospital, Department of PediatricsHarvard Medical School Boston Massachusetts USA
5. Division of CardiologyChildren's National Hospital Washington District of Columbia USA
6. Division of Maternal‐Fetal Medicine, Department of Obstetrics and GynecologyInova Health System Falls Church Virginia USA
7. Department of Obstetrics and GynecologyInova Health System Falls Church Virginia USA
8. Department of Neonatology, Fairfax Neonatal AssociatesInova Children's Hospital Falls Church Virginia USA
9. Division of Diagnostic Imaging and RadiologyChildren's National Hospital Washington District of Columbia USA