1. Division of Cardiology, UT Southwestern Medical Center, Dallas, TX (R.K., M.S.L.).
2. Saint Luke’s Mid America Heart Institute, Kansas City, MO (Y.T., P.S.C.).
3. Center for Outcomes Research and Evaluation, Yale New Haven Health, CT (H.M.K.).
4. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, CT (H.M.K.).
5. Department of Health Policy and Management, Yale School of Public Health, New Haven, CT (H.M.K.).
6. Division of Cardiology, Department of Internal Medicine, University of Iowa (S.G.).
7. Division of Cardiology, Department of Internal Medicine, University of Missouri-Kansas City (P.S.C.).