1. Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
2. Vanderbilt Translational and Clinical Cardiovascular Research Center, Nashville, Tennessee
3. Division of General Internal Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
4. Department of Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah
5. Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah
6. Research Division, Veterans Affairs Connecticut Health Care System, West Haven Veterans Administration Medical Center, West Haven, Connecticut
7. Department of Emergency Medicine and
8. Division of General Internal Medicine, Boston University, Boston, Massachusetts
9. Division of Infectious Diseases, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California
10. Department of Medicine, Yale School of Medicine, New Haven, Connecticut
11. Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, Washington
12. Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
13. Division of Pulmonary and Critical Care Medicine, James J. Peters Veterans Affairs Medical Center, Bronx, New York
14. Department of Medicine, George Washington University School of Medicine, Washington, D.C.
15. Division of Infectious Diseases, Washington D.C. Veterans Affairs Medical Center, Washington, D.C.
16. Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA
17. Division of Cardiovascular Medicine, University of California San Francisco, San Francisco, California; and
18. Veterans Health Administration–Tennessee Valley Healthcare System Geriatrics Research Education Clinical Center, Nashville, Tennessee