1. From the Department of Medicine, Division of Cardiovascular Medicine, New York University School of Medicine, New York, NY (S.B.); Saint Luke's Mid America Heart Institute, Kansas City, MO (D.J.C.); The Methodist DeBakey Heart and Vascular Center, Houston, TX (N.K.); The Duke Clinical Research Institute, Durham, NC (S.V.R.); Harvard Clinical Research Institute, Boston, MA (S.B., T.R.-B., L.M., M.J.P.); and Brigham and Women's Hospital, Boston, MA (L.M.).