1. Richard A. and Susan F. Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, MA (A.N.K., J.X., Y.S., R.W.Y., R.K.W.).
2. Harvard Medical School, Boston, MA (A.N.K.).
3. Department of Medicine, Brigham and Women’s Hospital, Boston, MA (E.C.L.).
4. Department of Cardiovascular Medicine and Center for Health Equity and Community Engagement Research, Mayo Clinic, Rochester, MN (L.C.B.).
5. Division of Cardiology and the Clinical Research Center, Morehouse School of Medicine, Atlanta, GA (E.O.O.).
6. Department of Medicine, Cardiovascular Division, Washington University School of Medicine, St Louis, MO (K.E.J.M.).