1. Division of Cardiovascular Medicine,
2. Channing Division of Network Medicine, and
3. Department of Biostatistics and
4. Department of Medicine, Cardiology Section, Rocky Mountain Regional VA Medical Center, Aurora, Colorado;
5. Veterans Affairs Clinical Assessment, Reporting, and Tracking Program, Veterans Health Administration Office of Quality and Patient Safety, Washington, DC;
6. Division of Cardiology, Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado;
7. Department of Pulmonary and Critical Care, Boston Medical Center, Boston, Massachusetts;
8. Department of Pulmonology, Medical University of Graz and Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria;
9. Providence Veterans Affairs Medical Center and Division of Cardiovascular Medicine, Warren Alpert Medical School of Brown University, Providence, Rhode Island;
10. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts;
11. Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee;
12. Geriatric Research Education and Clinical Centers (GRECC), Veterans Affairs Tennessee Valley Healthcare System, Nashville, Tennessee;
13. Division of Cardiology, Medical Department of Medicine, University of South Carolina, Charleston, South Carolina; and
14. Veterans Affairs Boston Healthcare System, Boston, Massachusetts