^○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 (Department of Developmental Medical Sciences, The University of Tokyo, Tokyo, Japan¹, Department of Pediatrics, Shizuoka Institute of Epilepsy and Neurological Disorders, NHO, Shizuoka, Japan², Department of Pediatrics, Graduate School of Medicine, Osaka University, Osaka, Japan³, Department of Child Neurology, Okayama University Hospital, Okayama, Japan⁴, Department of Pediatric Neurology, Osaka Medical Center and Research Institute for Maternal and Child Health, Osaka, Japan⁵, Oncology Development and Medical Affaris, Novartis Pharma K.K., Tokyo, Japan⁶, Division of Neurology, National Center for Child Health and Development, Tokyo, Japan⁷)

^○Tatsuro Izumi^{1, 2, 3}, Hiroaki Miyahara¹, Miki Ono^{1, 2}, Atsuko Matsuzuka¹, Shin—ichi Uchiyama¹, Kazuo Okanari¹, Kazuto Sekiguchi¹, Masahiro Takeguchi¹, Hirosi Yamada¹ (Department of Pediatrics and Child Neurology, Oita University Faculty of Medicine, Yufu, Oita, Japan¹, Department of Pediatrics and Child Neurology, Beppu Developmental Medical center for Cerebral Palsy, Mental Retardation and Severely Handicapped Children, Beppu Oita, Japan², Department of Pediatrics and Child Neurology, Nanao National Hospital, Nanao, Ishikawa, Japan³)

^○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 (Department of Child Neurology, National Center of Neurology and Psychiatry, Tokyo, Japan¹, Department of Neurosurgery, National Center of Neurology and Psychiatry, Tokyo, Japan²)

^○Masashi Ogasawara¹, Takashi Saito¹, Eri Takeshita¹, Yuko Motohashi¹, Akihiko Ishiyama¹, Hirofumi Komaki¹, Eiji Nakagawa¹, Kenji Sugai¹, Masayuki Sasaki¹, Naoki Ikegaya², Masaki Iwasaki² (National Center of Neurology and Psychiatry, Department of Child Neurology, Tokyo, Japan¹, National Center of Neurology and Psychiatry, Department of Neurosurgery, Tokyo, Japan²)

^○Kazuo Okanari¹, Ryoko Honda², Hiroaki Miyahara¹, Atsuko Matsuzuka¹, Soichi Suenobu¹, Tomoki Maeda¹, Tomonori Ono³, Keisuke Toda³, Hajime Miyata⁴, Yukitoshi Takahashi⁵, Seigo Korematsu¹ (Department of Pediatrics, Faculty of Medicine, Oita University, Oita, Japan¹, Department of Pediatrics, National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan², Department of Neurosurgery, National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan³, Department of Neuropathology, Research Institute for Brain and Blood Vessels—Akita, Akita, Japan⁴, Department of Clinical Research, National Epilepsy Center, NHO, Shizuoka Institute of Epilepsy and Neurological Disorders, Shizuoka, Japan⁵)

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