1. Division of General Internal Medicine, Massachusetts General Hospital, Boston
2. Harvard Medical School, Boston, Massachusetts
3. Duke Clinical Research Institute, Durham, North Carolina
4. Division of Cardiology, University of California, Los Angeles
5. Stanford Center for Clinical Research, Stanford University School of Medicine, Stanford, California
6. College of Physicians and Surgeons, Columbia University, New York, New York
7. Division of Cardiovascular Medicine, University of Utah Health Sciences Center, Salt Lake City
8. Division of Cardiology, University of Colorado School of Medicine, Aurora
9. Saint Luke’s Mid America Heart Institute and the University of Missouri, Kansas City
10. Yale School of Medicine, New Haven, Connecticut