1. Division of Cardiovascular Medicine Vanderbilt University Medical Center Nashville TN
2. Geriatric Research Education and Clinical Centers (GRECC) Veterans Affairs Tennessee Valley Healthcare System Nashville TN
3. Department of Medicine Vanderbilt University Medical Center Nashville TN
4. Yale School of Public Health New Haven CT
5. Department of Biostatistics University of Kentucky Lexington KY
6. Department of Biostatistics Graduate School of Public Health University of Pittsburgh PA
7. Department of Medicine University of Pittsburgh School of Medicine Pittsburgh PA
8. Vanderbilt Institute for Clinical and Translational Research Vanderbilt University Medical Center Nashville TN
9. Vanderbilt Center for Child Health Policy Vanderbilt University Medical Center Nashville TN
10. MasterClass San Francisco CA
11. Department of Epidemiology and Biostatistics University of California at San Francisco CA
12. Division of General Internal Medicine Boston University Boston MA
13. Division of Cardiology University of California San Francisco San Francisco CA
14. Veterans Affairs Connecticut Health Care System West Haven Veterans Administration Medical Center West Haven CT
15. Department of Medicine Yale School of Medicine New Haven CT
16. Cardiac Electrophysiology Section, Division of Cardiology University of California San Francisco San Francisco CA