1. Nantes Université, CHU Nantes, CNRS, INSERM, l’institut du thorax, France (M.T., L.L.G., C.D., R.R., J.-J.S., A.-E.B.).
2. Nantes Université, CHU Nantes, Department of Pediatric Cardiology and Pediatric Cardiac Surgery, France (M.T., S.P., C.G.G., B.R., N.B., Q.H., A.-E.B.).
3. Nantes Université, CHU Nantes, INSERM, CIC FEA 1413, France (M.T., S.P., C.G.G., A.-E.B.).
4. Division of Pediatric Cardiology, Labatt Family Heart Centre, The Hospital for Sick Children, University of Toronto, Canada (L.E.N., D.J.B.).
5. Clinique des Données, CHU Nantes, INSERM, CIC 1413, France (M.K.).
6. Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN (C.J.M.).
7. Department of Pediatric and Adult Congenital Heart Disase, M3C Marie Lannelongue Hospital, Groupe Hospitalier Saint Joseph, Paris, France (E.B., A.B., N.C., E.F.).
8. National Heart and Lung Institute, Imperial College London, Royal Brompton and Harefield Hospitals, United Kingdom (S.V.B.-N., M.C., A.F., M.A.G., S.Y.H.).
9. Department of Pediatrics, Yale University School of Medicine, New Haven, CT (R.W.E.).
10. Department of Adult Congenital Heart Diseases, M3C Hôpital Européen Georges Pompidou, Paris, France (M.L.).
11. Electrophysiology Service and Adult Congenital Heart Center, Montreal Heart Institute, University of Montreal, Quebec, Canada (P.K., S.A.).
12. Department of Congenital Heart Diseases, National Institute of Cardiology, Warsaw, Poland (E.K.).
13. Department of Pediatric and Congenital Cardiac Surgery, Morgan Stanley Children’s Hospital – New York Presbyterian, Columbia University Medical Center, NY (D.M.K., L.L., E.A.B.).
14. Department of Congenital Cardiac Surgery, University Hospitals Bristol NHS Foundation Trust, United Kingdom (S.M.).
15. Department of Pediatric Cardiology, New Children’s Hospital, Helsinki University Hospital, Finland (A.H., J.-M.H.).
16. Department of Pediatrics, Nemours Cardiac Center, Alfred I. duPont Hospital for Children, Wilmington, DE (J.T.).
17. Division of Cardiology, CHU Mère-Enfant Sainte-Justine, University of Montreal, Quebec, Canada (S.A.).
18. Department of Cardiology, CHU Nantes, Nantes, France (L.L.G.).
19. Department of Pediatric Cardiology, CHU Grenoble, France (M.L.).
20. Division of Cardiology, British Columbia Children’s Hospital, University of British Columbia, Vancouver, Canada (S.S.).
21. Department of Cardiology, CHU Bordeaux, France (J.-B.T., P.A.).
22. PhyMedExp, CNRS, INSERM, University of Montpellier, France (P.A.).
23. Department of Pediatric Cardiology, Hôpital Privé de La Louvière, Lille, France (G.V.).
24. Department of Pediatric and Congenital Cardiology, American Memorial Hospital, CHU Reims, France (A.C.).
25. Department of Cardiology (L.K.), La Timone Hospital, CHU Marseille, France.
26. Department of Pediatric Cardiology (C.O.), La Timone Hospital, CHU Marseille, France.
27. Marseille Medical Genetics, Inserm UMR 1251, Aix-Marseille University, France (C.O.).
28. Department of Pediatric Cardiology, CHRU Lille, France (A.H.).
29. Department of Cardiology, Pasteur Clinic, Toulouse, France (N.C.).
30. Department of Cardiology (P.M.), CHU Toulouse, France.
31. Department of Cardiology, Groupe Hospitalier Pitié Salpétrière, Sorbonne Université, Paris, France (G.D.).
32. Department of Pediatric Cardiology, CHU Amiens, France (B.H.).
33. UDivision of Pediatric Cardiology, University of Nebraska Medical Center, Children’s Hospital and Medical Center, Omaha, NE (C.C.E.).
34. Department of Pediatric Cardiology, CHU Lyon, France (C.B.).
35. Division of Pediatric Cardiology, St Louis Children’s Hospital, Washington University School of Medicine (G.F.V.H.).
36. Department of Pediatric and Congenital Cardiology, Children’s Hospital (C.K.), CHU Toulouse, France.
37. Institut des Maladies Métaboliques et Cardiovasculaires, Inserm UMR 1048, Université de Toulouse, France (C.K.).
38. Department of Cardiology, Lausanne University Hospital, University of Lausanne, Switzerland (M.L.B.).
39. Department of Pediatric Cardiology, Mount Sinai Kravis Children’s Hospital, NY (R.H.P.).
40. Department of Pediatrics, Rady Children’s Hospital, University of California San Diego (J.C.P.).
41. Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, MA (D.J.A.).
42. Division of Pediatric Cardiology, Stanford University, Palo Alto, CA (A.M.D.).
43. European Reference Network for Rare, Low Prevalence and Complex Diseases of the Heart-ERN GUARD-Heart (R.R., J.-J.S., A.-E.B.).