1. Cardiology Care for Children Lancaster PA
2. Division of Pediatric Cardiology Mayo Clinic Rochester MN
3. Division of Cardiovascular Diseases Mayo Clinic Rochester MN
4. Sidney Kimmel Medical College of Thomas Jefferson UniversityNemours'/Alfred I duPont Hospital for Children Cardiac Center Wilmington DE
5. Department of Cardiothoracic Surgery and Pediatrics Children's Hospital and University of Texas, Southwestern Medical Center Dallas TX
6. Department of Pediatrics University of Florida‐Congenital Heart Center Gainesville FL
7. Division of Cardiology Children's National Hospital Washington DC
8. Seattle Children's Hospital and University of Washington Seattle WA
9. Division of Cardiology Ann & Robert H. Lurie Children's Hospital of Chicago Chicago IL
10. Department of Pediatrics Northwestern University Feinberg School of Medicine Chicago IL
11. Cardiac Diagnostic and Interventional Unit The Hospital for Sick Children Toronto Ontario Canada
12. Division of Cardiothoracic Surgery Children's Hospital of Philadelphia Philadelphia PA
13. Department of Pediatric Cardiology Cleveland Clinic Cleveland OH
14. Lillie Frank Abercrombie Section of Cardiology Department of Pediatrics Texas Children's HospitalBaylor College of Medicine Houston TX
15. American College of Cardiology Washington DC
16. American Academy of Pediatrics Itasca IL
17. Division of Pediatric Cardiology The Congenital Heart Collaborative University Hospital Rainbow Babies and Children's Hospital Cleveland OH
18. Texas Center for Pediatric and Congenital Heart Disease University of Texas Dell Medical School/Dell Children's Medical Center Austin TX