1. Peter Munk Cardiac Centre University Health Network Toronto Canada
2. Division of Cardiology, Department of Pediatrics Children’s of Alabama Birmingham Alabama
3. Division of Pediatric Cardiology Children’s National Health System Washington District of Columbia
4. Division of Cardiology, Department of Medicine Emory University School of Medicine Atlanta Georgia
5. Division of Gastroenterology, Department of Medicine Emory University School of Medicine Atlanta Georgia
6. Department of Cardiology The Heart Institute, Cincinnati Children’s Hospital Medical Center Cincinnati Ohio
7. Division of Cardiology, Department of Pediatrics The Children’s Hospital of Philadelphia Philadelphia Pennsylvania
8. Boston Children’s Hospital Boston Massachusetts
9. Brigham and Women’s Hospital Boston Massachusetts
10. Division of Pediatric Cardiothoracic Surgery University of Mississippi Medical Center Jackson Mississippi
11. Knight Cardiovascular Institute Oregon Health & Science University Portland Oregon
12. Sibley Heart Center Cardiology Emory University School of Medicine Atlanta Georgia