1. Pediatric Heart Failure and Transplant Cardiologist Cleveland Clinic Children's Hospital Cleveland Ohio USA
2. Division of Pediatric Cardiology Medical University of South Carolina Charleston South Carolina USA
3. Children's Hospital Colorado University of Colorado Aurora Colorado USA
4. Division of Pediatric Cardiology; and The Heart Institute at Le Bonheur Children's Hospital University of Tennessee Health Science Center Memphis Tennessee USA
5. Division of Pediatric Cardiology University of Florida Gainesville Florida USA
6. Carver School of Medicine University of Iowa Stead Family Children's Hospital Iowa City Iowa USA
7. Division of Pediatric Cardiology Mattel Children's Hospital Los Angeles California USA
8. Division of Pediatric Cardiology Levine Children's Hospital Charlotte North Carolina USA
9. Unidade de Cardiologia Heart Institute (InCor) University of São Paulo Medical School Cerqueira César Sao Paulo Brazil
10. Nationwide Children's Hospital The Ohio State University Columbus Ohio USA
11. Stanford University Lucile Packard Children's Hospital Stanford Palo Alto California USA
12. Division of Pediatric Cardiology Texas Children's Hospital Houston Texas USA
13. unidade de cardiologia Ann & Robert H. Lurie Children's Hospital of Chicago Chicago Illinois USA
14. Division of Pediatric Cardiology Great Ormond Street Hospital London UK
15. Division of Pediatric Cardiology Stollery Children's Hospital Edmonton Alberta Canada