1. From the Departments of Internal Medicine and Clinical Sciences (E.A.H.), University of Texas Southwestern Medical Center, Dallas, Texas; the Departments of Neurology (S.T.), Health Policy (J.J.W., M.R.), and Pediatrics (M.R.), Mount Sinai School of Medicine, New York, NY; the Department of Surgery (C.R., T.S.R.), New York University School of Medicine, New York, NY; and The Joint Commission on Accreditation of Healthcare Organizations (M.R.C.), Oakbrook Terrace, Ill.