1. From the Veterans Affairs Medical Center Geriatrics Research, Education, and Clinical Center (R.F.M., F.M.I., J.D.S., L.I.K., A.P.G.); the Departments of Neurology (R.F.M.), Gerontology (R.F.M., F.M.I., L.I.K., A.P.G.), and Physical Therapy (L.W.F.), University of Maryland School of Medicine, Baltimore, Md; the Departments of Neurology, Division of Brain Injury Recovery (D.H.) and Physical Medicine and Rehabilitation (K.H.S.), Johns Hopkins University, Baltimore, Md; and Good Samaritan Hospital of...