Department of Medicine (E.K.A.
M.S.), The Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115; Department of Medicine (C.K., S.J.M.), Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104; Department of Medicine (J.S., F.N.), The Ohio State University College of Medicine, Columbus, Ohio 43210; University of Cincinnati College of Medicine (C.P., D.L.S.), Cincinnati, Ohio 45220; and Department of Medicine (J.K., B.R.H.), University of Colorado School of Medicine, Aurora, Colorado 80045.