1. Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts2Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts
2. Veterans Affairs Eastern Colorado Health Care System, Denver
3. Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts4Veterans Affairs Boston Healthcare System, Boston, Massachusetts
4. Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee6Vanderbilt Translational and Clinical Cardiovascular Research Center, Vanderbilt University Medical Center, Nashville, Tennessee
5. Veterans Affairs Eastern Colorado Health Care System, Denver7University of Colorado School of Medicine, Denver
6. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
7. Department of Biostatistics, Vanderbilt University, Nashville, Tennessee
8. Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee
9. Division of Cardiology, Department of Medicine, Northwestern University, Chicago, Illinois
10. Providence Veterans Affairs Medical Center, Providence, Rhode Island13Alpert Medical School of Brown University, Providence, Rhode Island
11. Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston