1. Departments of aPediatrics
2. Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
3. Department of Human Genetics, Utah Center for Genetic Discovery
4. Division of Pediatric Cardiology, University of Utah, Salt Lake City, Utah
5. Division of Cardiology, Ann & Robert H. Lurie Children’s Hospital of Chicago
6. Department of Pharmacology
7. Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
8. Data Coordinating Center for the Sudden Death in the Young Case Registry, Michigan Public Health Institute, Okemos, Michigan
9. Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland