| Affiliation: | 1. Cardiac Arrhythmia Service, Massachusetts General Hospital and Harvard Medical School, , Boston, Massachusetts;2. Cardiovascular Research Center, Massachusetts General Hospital and Harvard Medical School, , Boston, Massachusetts;3. Hematology‐Oncology Division, Beth Israel Deaconess Medical Center, , Boston, Massachusetts;4. Veterans Affairs Boston Healthcare System, , Boston, Massachusetts;5. Framingham Heart Study, Department of Medicine, School of Medicine, , Framingham, Massachusetts;6. Department of Epidemiology, School of Public Health, Boston University, , Framingham, Massachusetts;7. Department of Medicine, Alpert Medical School, Brown University, , Providence, Rhode Island;8. Health Services Policy and Practice, Alpert Medical School, Brown University, , Providence, Rhode Island;9. New England Geriatric Research, Education and Clinical Center, , Boston, Massachusetts;10. Division of Cardiovascular Medicine, Brigham and Women's Hospital, , Boston, Massachusetts;11. Department of Medicine, Harvard Medical School, , Boston, Massachusetts;12. Department of Neurology, Massachusetts General Hospital and Harvard Medical School, , Boston, Massachusetts;13. Helmsley Electrophysiology Center, The Cardiovascular Institute, Mount Sinai School of Medicine, , New York, New York;14. General Medicine Division, Massachusetts General Hospital and Harvard Medical School, , Boston, Massachusetts |
