1. Cardiovascular Medicine Division, Perelman School of Medicine University of Pennsylvania Philadelphia PA
2. Penn Cardiovascular Outcomes, Quality, and Evaluative Research Center University of Pennsylvania Philadelphia PA
3. Leonard Davis Institute for Health Economics Philadelphia PA
4. Penn Center for Health Incentives and Behavioral Economics University of Pennsylvania Philadelphia PA
5. Division of Vascular Surgery and Endovascular Therapy, Perelman School of Medicine University of Pennsylvania Philadelphia PA
6. Department of Genetics, Perelman School of Medicine University of Pennsylvania Philadelphia PA
7. Corporal Michael J. Crescenz Veterans Affairs Medical Center Philadelphia PA
8. Smith Center for Cardiovascular Outcomes Research, Beth Israel Deaconess Medical Center, Harvard Medical School Harvard University Boston MA
9. Division of Cardiology, Vagelos College of Physicians and Surgeons Columbia University New York NY
10. Department of Radiology University of North Carolina Chapel Hill NC
11. Department of Cardiology Staten Island University Hospital Staten Island NY
12. Boston Scientific Corporation Marlborough MA
13. General Internal Medicine Division, Perelman School of Medicine University of Pennsylvania Philadelphia PA