1. From National Institute of Nursing Research (T.L.B.), Bethesda, Md; National Institute of Neurological Disorders and Stroke (S.W., L.L.L., M.L., J.M.H., G.S.C.), Bethesda, Md; Department of Neurology(K.-Y.L.), Yonsei University College of Medicine, Seoul, South Korea; Department of Neurology (T.J.S.), University of California, Los Angeles, Calif; SUNY Upstate Medical University (Z.E.-Z.), Syracuse, NY; National Institutes of Mental Health (S.A.), Bethesda, Md; Department of Neurology (C.S.K.),...