1. Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
2. Department of Medicine, NYU Langone Medical Center, New York, New York
3. Department of Medicine, New York Presbyterian/Columbia University Medical Center, New York, New York
4. Department of Health Policy and Management, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
5. Cardiovascular Division, Washington University School of Medicine in St Louis, St Louis, Missouri
6. Associate Editor, JAMA