1. From the Departments of Neurology (C.M., C.K.F., D.M.F., Z.S.V.), Pediatrics (D.M.F.), Radiology (M.W.), and Neurosurgery (N.D.), University of California at San Francisco, and Center for the Study of Nervous System Injury, Departments of Neurology and Molecular Biology and Pharmacology, Washington University School of Medicine, St Louis, Mo (B.H.H., J.C., D.M.H.).