1. Department of Nutrition, Harvard School of Public Health, Boston, MA
2. Center for Arrhythmia Prevention, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
3. Division of Preventive Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
4. Department of Epidemiology, Harvard School of Public Health, Boston, MA
5. Department of Biostatistics and Epidemiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK
6. Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
7. The Channing Division for Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA