1. Adult and Child Center for Outcomes Research and Delivery Science, University of Colorado School of Medicine, Aurora, CO (C.E.K., B.C.W., L.A.A., P.N.P., D.D.M.).
2. Division of Cardiology, University of Colorado School of Medicine, Aurora, CO (C.E.K., L.A.A., P.N.P., P.D.V., W.S.T.,).
3. Division of General Internal Medicine, Department of Medicine, University of Colorado School of Medicine, Aurora, CO (C.L.L.).
4. Saint Luke’s Mid-America Heart Institute, Kansas City, MO (S.K.G.).
5. Denver Health Medical Center, Denver, CO (P.N.P.).
6. Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, MA (D.B.K.).
7. Providence Heart Institute, Portland, OR (S.C.B.).
8. Cardiology Section, VA Eastern Colorado Health Care System, Aurora, CO (P.D.V.).
9. Baptist Health Louisville, Louisville, KY (J.M.M.).
10. Division of Geriatric Medicine, Department of Medicine, University of Colorado School of Medicine, Aurora, CO (D.D.M.).
11. VA Eastern Colorado Geriatric Research Education and Clinical Center, Denver, CO (D.D.M.).