1. From the Department of Internal Medicine and the Heart and Vascular Institute, University of Pittsburgh Medical Center, PA (A.L., D.K.P., S.A., A.J., A.F.D., S.P., D.Q., S.A., M.B.M., E.A., S.J., S.S.); Advocate Heart Institute, Advocate Lutheran General Hospital, Park Ridge, IL (S.R.); and Department of Internal Medicine, University of Michigan, Ann Arbor (M.W.).