1. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
2. Center for Outcomes Research and Evaluation, Yale New Haven Hospital, New Haven, Connecticut
3. Division of Cardiology, University of Texas Southwestern Medical Center, Dallas
4. Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois
5. Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
6. Michael E. DeBakey VA Medical Center, Baylor College of Medicine, Houston, Texas
7. Department of Medicine, University of Maryland School of Medicine, Baltimore
8. Benjamin Leon Center for Geriatric Research and Education, Florida International University, Miami
9. Division of General Internal Medicine, Department of Medicine, Weill Cornell Medical College, New York, New York
10. Department of Medicine, University of Vermont, Burlington
11. Department of Internal Medicine, Boston University School of Medicine, Boston, Massachusetts
12. Duke Clinical Research Institute, Durham, North Carolina
13. Department of Medicine, University of Mississippi Medical Center, Jackson
14. Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, Ohio
15. Case Western Reserve University School of Medicine, Cleveland, Ohio