1. Department of Pediatrics Baylor College of Medicine San Antonio TX USA
2. Department of Molecular and Human Genetics Baylor College of Medicine Houston TX USA
3. Stanford Center for Inherited Cardiovascular Disease Stanford CA USA
4. Department of Pediatrics Division of Medical Genetics Stanford University Stanford CA USA
5. Smidt Heart Institute Cedars Sinai Medical Center Los Angeles CA USA
6. Department of Medical & Molecular Genetics Indiana University School of Medicine Indianapolis IN USA
7. Department of Epidemiology Indiana University Fairbanks School of Public Health Indianapolis IN USA