1. Cardiovascular Genetics Program (Z.N.A.-H., S. Tulbah, F.A., N. Alruwaili, M. Alkorashy, A. Alqahtani, Z.S., M.R., S. Takroni), King Faisal Specialist Hospital & Research Centre (KFSH&RC), Riyadh.
2. Department of Medical Genetics (Z.N.A.-H., S. Tulbah, A. Alqahtani, S. Takroni), King Faisal Specialist Hospital & Research Centre (KFSH&RC), Riyadh.
3. College of Medicine, Alfaisal University, Riyadh, Saudi Arabia (Z.N.A.-H., A. Alhashem).
4. Prince Sultan Cardiac Centre, Qassim (A. Almesned, A. Alakhfash, A.M.A.).
5. Department of Genetics (Z.N.A.-H., F.A., M. Alkorashy), King Faisal Specialist Hospital & Research Centre (KFSH&RC), Riyadh.
6. Heart Center (N. Alruwaili, M. Alhabdan, M.R., D.C.A.B., F.A.A., M. Alfayyadh), King Faisal Specialist Hospital & Research Centre (KFSH&RC), Riyadh.
7. Division of Medical Genetics, Department of Pediatrics, Prince Sultan Medical Military City, Riyadh (A. Alhashem).
8. Department of Pediatrics, King Salman Specialist Hospital, Hail (A. Alrashdan).
9. Medical Genetics, King Fahad Medical City, Children’s Specialist Hospital, Riyadh (E.F., A.A.a.).
10. Pediatrics Department, Maternity & Children’s Hospital, Dammam (S.M.A., Z.A.h.).
11. King Fahad Hospital (S.S.).
12. King Abdulaziz Hospital (N. Azhari).
13. Jeddah East Hospital, Jeddah (A.M.B.).
14. King Fahad Central Hospital, Jazan, Saudi Arabia (A. Awaji).
15. Kuwait Medical Genetics Ctr, Shuwaikh, Kuwait (B.A.).
16. Medical Generics Division, Department of Pediatrics, College of Medicine, King Saudi University Hospital (M.A.A., W. Alshuaibi).
17. College of Computer & Information Sciences, King Saud University (R.Z.A.-H.).
18. Genetics & Metabolic Unit, Children’s Hospital, King Saud Medical City (A. Alshenqiti).
19. King Abdulaziz Cardiac Center (A. Alomrani).
20. Pediatric Cardiology, Security Forces Hospital (W. Almanea).
21. Heart Failure & Transplant Program, Prince Sultan Cardiac Center (A. Alwadai).