1. Department of Laboratory Medicine, Boston Children’s Hospital, Boston, Massachusetts
2. Harvard Medical School, Boston, Massachusetts
3. Division of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
4. Program in Medical and Population Genetics, The Broad Institute of MIT and Harvard, Cambridge, Massachusetts
5. Department of Medical Genetics, Oslo University Hospital, Oslo, Norway
6. Department of Medical Research, Bærum Hospital, Vestre Viken Hospital Trust, Gjettum, Norway
7. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia
8. Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany
9. DZHK (German Center for Cardiovascular Research), Partner Site Greifswald, Greifswald, Germany
10. Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle
11. Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands
12. Section of Gerontology and Geriatrics, Department of Internal Medicine, Leiden University Medical Center, Leiden, the Netherlands
13. McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
14. University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
15. Division of Genomic Outcomes, Institute for Translational Genomics and Population Sciences, Torrance, California
16. Department of Pediatrics, Los Angeles Biomedical Research Institute, Harbor-University of California, Los Angeles Medical Center, Torrance
17. Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles
18. Vth Department of Medicine (Nephrology, Hypertensiology, Endocrinology, Diabetology, Rheumatology), Medical Faculty of Mannheim, University of Heidelberg, Mannheim, Germany
19. Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
20. National Heart Lung and Blood Institute’s and Boston University’s Framingham Heart Study, Framingham, Massachusetts
21. Institute of Health and Wellbeing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
22. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
23. Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
24. School of Public Health, Department of Biostatistics, University of Michigan, Ann Arbor
25. Icelandic Heart Association, Kopavogur, Iceland
26. Interfaculty Institute for Genetics and Functional Genomics, University Medicine and University Greifswald, Greifswald, Germany
27. Smilow Center for Translational Research, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
28. Department of Internal Medicine B, University Medicine Greifswald, Greifswald, Germany
29. Faculty of Medicine, University of Iceland, Reykjavik, Iceland
30. Department of Epidemiology, University of Washington, Seattle
31. Institute for Evidence-Based Medicine in Old Age, Leiden, the Netherlands
32. Synlab Academy, Synlab Holding Deutschland GmbH, Mannheim, Germany
33. Cardiovascular Health Research Unit, Department of Medicine, Epidemiology, and Health Services, University of Washington, Seattle
34. Kaiser Permanente Washington Health Research Institute, Seattle
35. Division of Cardiovascular, Brigham and Women’s Hospital, Boston, Massachusetts
36. Division of Preventive Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
37. Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
38. Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
39. Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts
40. Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, Massachusetts
41. Cardiac Arrhythmia Service, Massachusetts General Hospital, Boston, Massachusetts
42. University Medicine Greifswald, Interfaculty Institute for Genetics and Functional Genomics, Greifswald, Germany
43. Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
44. Einthoven Laboratory for Experimental Vascular Medicine, LUMC, Leiden, the Netherlands
45. Interuniversity Cardiology Institute of the Netherlands, Utrecht, the Netherlands
46. Cardiovascular Research Center, Cardiac Arrhythmia Service, Massachusetts General Hospital, Boston