1. Emory Clinical Cardiovascular Research Institute, Emory University School of Medicine, Atlanta, GA (A.C.R.).
2. Department of Cardiology, University of Colorado Anschutz, Aurora (P.K.).
3. Division of Cardiology, Department of Medicine, Duke University, Durham, NC (P.K.).
4. Division of Cardiology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas (D.K.M.).
5. Ciccarone Center for the Prevention of Cardiovascular Disease, Johns Hopkins University School of Medicine, Baltimore, MD (S.S.M., J.W.M., S.P.W., R.S.B.).
6. Section of Cardiology, Division of Medicine, University of Chicago Pritzker School of Medicine, IL (T.S.P.).