^○Takuya Hiraide¹, Taiju Hayashi^1,2, Yusuke Ito¹, Rei Urushibata¹, Hiroshi Uchida¹, Ryoichi Kitagata¹, Hidetoshi Ishigaki¹, Tsutomu Ogata^1,2, Hirotomo Saitsu², Tokiko Fukuda^1,3 (1.Department of Pediatrics, Hamamatsu University School of Medicine, Hamamatsu, Japan, 2.Department of Biochemistry, Hamamatsu University School of Medicine, Hamamatsu, Japan, 3.Department of Hamamatsu Child Health and Development, Hamamatsu University School of Medicine, Hamamatsu, Japan)

^○Kenshiro Tabata¹, Yuko Shimizu-Motohashi², Yurika Numata-Uematsu³, Jun-Ichi Takanashi⁴, Hitoshi Osaka⁵, Ken Inoue¹ (1.Department of Mental Retardation and Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan, 2.Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan, 3.Department of Pediatrics, Tohoku University School of Medicine, Sendai, Japan, 4.Department of Pediatrics, Tokyo Women's Medical University Yachiyo Medical Center, Yachiyo, Japan, 5.Department of Pediatrics, Jichi Medical University, Tochigi, Japan)

^○Hikari Nishizawa¹, Shin Nabatame¹, Shin Okazaki², Ichiro Kuki², Keiko Yanagihara³, Yasuhiro Suzuki³, Kuriko Shimono¹ (1.Department of Pediatrics, Graduate School of Medicine, Osaka University, Osaka, Japan, 2.Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan, 3.Department of Pediatric Neurology, Osaka Women's and Children's Hospital, Osaka, Japan)

^○Toshiaki Hayashi (Department of Neurosurgery, Miyagi Children's Hospital)

^○Takeshi Matsushige¹, Fumitaka Kohno¹, Hikaru Kobayashi¹, Hirofumi Inoue¹, Madoka Hoshide¹, Sadahiro Nomura², Yasuaki Imajo³, Hidenori Suzuki⁴, Shunji Hasegawa¹ (1.Department of Pediatrics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan, 2.Department of Neurosurgery, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan, 3.Department of Pediatrics, JCHO Tokuyama Central Hospital, Yamaguchi, Japan, 4.Department of Pediatrics, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan)

^○Tomohiro Iwasaki¹, Tadahiro Mitani¹, Maho Asai¹, Ayumi Horiguchi¹, Yuta Kawahara¹, Hirofumi Oguma², Toshihiro Tajima¹, Kazuhiro Muramatsu¹, Akira Gomi³, Hitoshi Osaka¹ (1.Department of Pediatrics, Jichi Medical University, Tochigi, Japan, 2.Department of Neurosurgery, Jichi Medical University, Tochigi, Japan, 3.Department of Pediatric Neurosurgery, Jichi Children's Medical Center Tochigi, Tochigi, Japan)