1. Harrington Heart and Vascular Institute, University Hospitals and Case Western Reserve University School of Medicine, Cleveland, Ohio
2. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
3. Center for Outcomes Research and Evaluation, Yale-New Haven Hospital, New Haven, Connecticut
4. Division of Cardiology, Department of Medicine, University of Colorado School of Medicine, Aurora
5. American College of Cardiology, Washington, District of Columbia
6. Carilion Clinic and Virginia Tech Carilion School of Medicine, Roanoke, Virginia
7. Department of Health Administration and Policy, University of New Haven, West Haven, Connecticut