1. From the Section on Stroke Diagnostics and Therapeutics (J.G.M., L.L.L., J.W.T., M.L., P.D.S., D.-W.K., S.W.), National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Md; NorthEast Neurology (J.W.T.), NorthEast Medical Center, Concord, NC; Neurologische Klinik (P.D.S.), Universitätsklinikum Erlangen, Erlangen, Germany; and the Department of Neurology (D.-W.K.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.