1. Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
2. Department of Health Policy and Management, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
3. Cardiovascular Division, Washington University School of Medicine in St Louis, St Louis, Missouri
4. Associate Editor, JAMA
5. Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Boston, Massachusetts