Medical Progress

From the Department of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Mount Sinai School of Medicine, New York (M.C.I., A.S.T.); and the Department of Biostatistics and Research Epidemiology, Henry Ford Health System, Detroit (B.A.R.). Address reprint requests to Dr. Iannuzzi at the Division of Pulmonary, Critical Care, and Sleep Medicine, Mount Sinai Medical Center, 1 Gustave Levy Pl., Box 1232, New York, NY 10029, or at [email protected].