^○Toru Imagi¹, Chong Pin Fee¹, Ryoko Nakamura¹, Masaru Matsukura¹, Ryutarou Kira¹, Hirotomo Saitsu², Naomichi Matsumoto³ (1.The Department of child neurology, Fukuoka Children's Hospital, Fukuoka, Japan, 2.The department of biochemistry, Hamamatsu University School of Medicine, Shizuoka, Japan, 3.The department of human genetics, Yokohama City University, Yokohama, Japan)

^○Ryoko Nakamura, Masaru Matsukura, Chong Pin Fee, Ryutaro Kira (Department of Pediatric Neurology, Fukuoka Children's Hospital, Fukuoka, Japan)

^○Hiromi Yamaguchi¹, Eri Watanabe¹, Jinya Shiote¹, Aiko Nakao¹, Yukiko Ihara¹, Takako Fujita¹, Hiroshi Ideguchi¹, Takahito Inoue¹, Yu Tsuyusaki², Sawa Yasumoto³, Shinichi Hirose¹ (1.Department of Pediatrics, Fukuoka University, Fukuoka, Japan, 2.Kanagawa Children's medical center, Kanagawa, Japan, 3.Medical education center, Fukuoka University, Fukuoka, Japan)

^○Takashi Saito¹, Yuko Motohashi¹, Eri Takeshita¹, Akihiko Ishiyama¹, Hirofumi Komaki¹, Eiji Nakagawa¹, Kenji Sugai¹, Masayuki Sasaki¹, Noriko Sato², Hirotomo Saitsu³, Kazuhiro Iwama⁴, Takeshi Mizuguchi⁴, Naomichi Matsumoto⁴ (1.Department of Child Neurology, National Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan, 2.Department of Radiology, National Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan, 3.Biochemistry, Hamamatsu University School of Medicine, Hamamatsu, Japan, 4.Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan)