1. From the Department of Neurology (L.Z.), Henan Provincial People's Hospital, Zhengzhou, China; and the Stroke Center (D.S.L., S.S., N.S., L.K.A., D.K., B.O., M.F., M.T., J.L.S., G.D., F.V., S.T., N.G., P.V.) and the Departments of Neurology (D.S.L., S.S., N.S., L.K.A., D.K., B.O., M.F., M.T., J.L.S.), Radiology (G.D., F.V., S.T., N.G., P.V.), and Emergency Medicine (S.S.), University of California, Los Angeles, CA.