1. Center for Outcomes Research and Evaluation, Yale New Haven Hospital, New Haven, Connecticut
2. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine; New Haven, Connecticut
3. Richard and Susan Smith Center for Outcomes Research in Cardiology, Division of Cardiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
4. Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
5. Agency for Healthcare Research and Quality, Department of Health and Human Services, Washington, DC
6. now with Defense Health Agency, Falls Church, Virginia
7. Division of Pulmonary and Critical Care Medicine, University of Connecticut School of Medicine, Farmington
8. Centers for Medicare & Medicaid Services, Department of Health and Human Services, Baltimore, Maryland
9. now with Health Resources and Services Administration Department of Health and Human Services, Washington, DC
10. Corporate Business Services, Yale–New Haven Health System, New Haven, Connecticut
11. Department of Pharmacy, Griffin Hospital, Derby, Connecticut
12. Hartford Healthcare, Trumbull, Connecticut
13. St Vincent’s Hospital, Bridgeport, Connecticut
14. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts
15. Department of Health Policy and Management, Yale School of Public Health, New Haven, Connecticut