1. Cardiovascular Division, Department of Medicine, University of Washington, Seattle (J.A.D.).
2. VA Puget Sound Health Care System, Seattle, WA (J.A.D.).
3. Department of Medicine, Cardiovascular Division, University of Texas Southwestern Medical Center, Dallas (A.K.).
4. Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (P.M., D.M.W.).
5. Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess (P.M., D.M.W.).
6. Medical Center, Harvard Medical School, Boston, MA (R.W.Y.).
7. Patient-Centered Outcomes Research Institute (PCORI), Washington, DC (T.Y.W.).
8. Pulse Heart Institute Cardiology Services, Tacoma, WA (R.S.H.).