^○Hiroharu Suzuki, Hidenori Sugano, Madoka Nakajima, Takuma Higo, Yasushi Iimura, Takumi Mitsuhashi, Hajime Arai (The Department of Neurosurgery , Juntendo University , Tokyo , Japan)

^○Masashi Mizuguchi¹, Hiroko Ikeda², Kuriko Kagitani-shimono³, Harumi Yoshinaga⁴, Yasuhiro Suzuki⁵, Makoto Aoki⁶, Chikako Shinpo⁶, Masataka Yonemura⁶, Masaya Kubota⁷ (1.Department of Developmental Medical Sciences, The University of Tokyo, Tokyo, Japan, 2.Department of Pediatrics, Shizuoka Institute of Epilepsy and Neurological Disorders, NHO, Shizuoka, Japan, 3.Department of Pediatrics, Graduate School of Medicine, Osaka University, Osaka, Japan, 4.Department of Child Neurology, Okayama University Hospital, Okayama, Japan, 5.Department of Pediatric Neurology, Osaka Medical Center and Research Institute for Maternal and Child Health, Osaka, Japan, 6.Oncology Development and Medical Affaris, Novartis pharma K.K., Tokyo, Japan, 7.Division of Neurology, National Center for Child Health and Development, Tokyo, Japan)

^○Tatsuro Izumi^1,2,3, Hiroaki Miyahara¹, Miki Ono^1,2, Atsuko Matsuzuka¹, Shin-ichi Uchiyama¹, Kazuo Okanari¹, Kazuto Sekiguchi¹, Masahiro Takeguchi¹, Hirosi Yamada¹ (1.Deartement of Pediatrics and Child Neurology, Oita University Faculty of Medicine, Yufu, Oita, Japan, 2.Department of Pediatrics and Child Neurology, Beppu Developmental Medical cebter for Cerebral Palsy, Mental Retardation and Severely Handicapped Children, Beppu Oita, Japan, 3.Deapartment of Pediatrics and Child Neurology, Nanao National Hospital, Nanao, Ishikawa, Japan)

^○Kenji Sugai¹, Taisuke Otsuki², Akio Takahashi², Takashi Saito¹, Eiji Nakagawa¹, Yuko Motohashi¹, Akihiko Ishiyama¹, Eri Takeshita¹, Hirofumi Komaki¹, Masayuki Sasaki¹, Naoki Ikegaya², Yuu Kaneko², Masaki Iwasaki² (1.Department of Child Neurology, National Center of Neurology and Psychiatry, Tokyo, Japan, 2.Department of Neurosurgery, National Center of Neurology and Psychiatry, Tokyo, Japan)

^○Ogasawara Masashi¹, Takashi Saito¹, Eri Takeshita¹, Motohashi Yuko¹, Akihiko Ishiyama¹, Hirofumi Komaki¹, Eiji Nakagawa¹, Kenji Sugai¹, Masayuki Sasaki¹, Naoki Ikegaya², Masaki Iwasaki² (1.National Center of Neurology and Psychiatry, Department of Child Neurology, Tokyo, Japan, 2.National Center of Neurology and Psychiatry, Department of Neurosurgery, Tokyo, Japan)

^○Kazuo Okanari¹, Ryoko Honda², Hiroaki Miyahara¹, Atsuko Matsuzuka¹, Soichi Suenobu¹, Tomoki Maeda¹, Tomonori Ono³, Keisuke Toda³, Hajime Miyata⁴, Yukitoshi Takahashi⁵, Seigo Korematsu¹ (1.Department of Pediatrics, Faculty of Medicine, Oita University, Oita, Japan, 2.Department of Pediatrics, National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan, 3.Department of Neurosurgery, National Hospital Organization Nagasaki Medical Center, 4.Department of Neuropathology, Research Institute for Brain and Blood Vessels - Akita, 5.Department of Clinical Research, National Epilepsy Center, NHO, Shizuoka Institute of Epilepsy and Neurological Disorders, Shizuoka, Japan)

^○Yoshito Ishizaki, Yasunari Sakai, Masafumi Sanefuji, Michiko Torio, Satoshi Akamine, Shouichi Ohga (Department of Pediatrics, Graduate School of Medical Sciences, Kyushu Univer sity, Fukuoka, Japan)