1. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
2. Center for Outcomes Research and Evaluation, Yale-New Haven Hospital, New Haven, Connecticut
3. Department of Internal Medicine, Massachusetts General Hospital, Boston
4. Department of Computer Science and Engineering, Texas A&M University, College Station
5. Saint Luke's Mid America Heart Institute, Kansas City, Missouri
6. Division of Cardiology, Department of Internal Medicine, University of Missouri, Kansas City
7. Division of Cardiology, Department of Internal Medicine, University of Colorado Anschutz Medical Campus, Aurora
8. Department of Biostatistics, T. H. Chan School of Public Health, Harvard University, Boston, Massachusetts
9. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts
10. Department of Health Policy and Management, Yale School of Public Health, New Haven, Connecticut