1. Cardiovascular Disease Initiative and Program in Medical and Population Genetics, Broad Institute of Harvard and MIT , Cambridge, MA , USA
2. Cardiovascular Research Center and Center for Genomic Medicine, Massachusetts General Hospital , Boston, MA , USA
3. Department of Cardiovascular Sciences, KU Leuven , Leuven , Belgium
4. National Heart and Lung Institute, Imperial College London , London , UK
5. Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge , Cambridge , UK
6. Cardiovascular Division, Brigham and Women’s Hospital , Boston, MA , USA
7. Demoulas Center for Cardiac Arrhythmias, Massachusetts General Hospital , Boston, MA , USA
8. Division of Cardiology and Institute for Human Genetics, University of California San Francisco , San Francisco, CA , USA
9. Oxford Cardiovascular Clinical Research Facility, Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford , Oxford , UK
10. Division of Cardiology, Massachusetts General Hospital , 185 Cambridge St. CPZN 3.187, Boston, 02114 MA , USA