1. Department of Cardiothoracic Surgery Cincinnati Children’s Hospital Medical Center Cincinnati Ohio USA
2. Division of Cardiothoracic Surgery Cohen Children’s Medical Center New Hyde Park New York USA
3. Division of Pediatric Cardiology Lucile Packard Children’s Hospital Stanford Palo Alto California USA
4. Division of Cardiothoracic Surgery St. Louis Children’s Hospital Saint Louis Missouri USA
5. Department of Cardiology Boston Children’s Hospital Boston Massachusetts USA
6. Division of Congenital Heart Surgery Children’s Hospital of Wisconsin Milwaukee Wisconsin USA
7. Department of Pediatric Cardiac Surgery Columbia University Irving Medical Center New York New York USA
8. Department of Cardiology Cincinnati Children’s Hospital Medical Center Cincinnati Ohio USA