1. From the Department of Neurosurgery (T.Y., H.K.,H.A., H.O., T.H.), Tokyo Women’s Medical University, Tokyo, Japan; the Department of Neurosurgery (J.C.L., T.-K.Y., C.-J.K.), Chonbuk National University, Chonju, Korea; and the Division of Genetic Diagnosis (T.N., I.I.), Institute of Medical Science, University of Tokyo, Tokyo, Japan.