1. From the Department of Neurology (M.H.R.), Oklahoma University, Oklahoma City, Ok, and Department of Neurology and Neuro-rehabilitation, Oklahoma City VA Medical Center, Oklahoma City, Ok; Departments of Physical Therapy, Neurology, and Graduate Studies (A.A.), Medical College of Georgia, Augusta, Ga; Department of Neurology and Rehabilitation (P.G.), University of Illinois at Chicago, Chicago, Ill.