1. From the Departments of Neurobiology (T.N., X.Z., O.M., T.I.), Neurological Surgery (T.N., T.T., S.N.), and Emergency and Critical Care Medicine (Y.K., S.Y.), Kagawa University Faculty of Medicine, Miki, Kagawa, Japan, and the Department of Neurosurgery (G.X., R.F.K.), University of Michigan, Ann Arbor, Mich.