Affiliation: | (1) Department of Neurosurgery, Kanagawa Children's Medical Center, 2-138-4, Mutsukawa, Minamiku, 232 Yokohama, Japan;(2) Department of Neurosurgery, Odawara Municipal Hospital, 46, Kuno, 250 Odawara, Kanagawa, Japan;(3) Department of Neurology, Kanagawa Children's Medical Center, 2-138-4, Mutsukawa, Minamiku, 232 Yokohama, Japan;(4) Department of Neurosurgery, Yokohama City University, 3-9, Fukuura, Kanazawaku, 236 Yokohama, Japan |