1. From the Stroke Branch (J.H.), National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Md; Department of Molecular and Experimental Medicine (G.d.Z.), Scripps Research Institute, La Jolla, Calif; National Institute of Neurological Disorders and Stroke (T.J., U.U.), National Institutes of Health, Bethesda, Md; Canadian Stroke Network (A. Hakim), Ottawa, Ontario, Canada; and the National Heart, Lung, and Blood Institute (S.G., A. Hasan), National Institutes of...