1. From the Department of Neurology (H.L, S.-I.S., D.-K.J., Y.-W.C., J.-G.L., S.-D.Y.), Brain Research Institute (H.L., D.-K.J., Y.-W.C., J.-G.L., S.-D.Y., S.-R.L., C.-H.S.), and Department of Radiology (C.-H.S.), Keimyung University School of Medicine, Daegu, South Korea, and Department of Neurology and Division of Surgery (Head and Neck) (R.W.B.), UCLA School of Medicine, Los Angeles, Calif.