^○Sotaro Kanai¹, Tohru Okanishi¹, Michiko Yoshida², Tomohiro Chiyonobu², Takuya Yokota¹, Ayataka Fujimoto³, Mitsuko Nakashima⁴, Kazuya Itomi⁵, Hideo Enoki¹, Takamichi Yamamoto³, Mitsuhiro Kato⁶, Matsumoto Naomichi⁴ (1.Department of Child Neurology, Seirei-Hamamatsu General Hospital, Hamamatsu, Japan, 2.Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan, 3.Comprehensive Epilepsy Center, Seirei-Hamamatsu General Hospital, Hamamatsu, Japan, 4.Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan, 5.Department of Neurology, Aichi Children's Health and Medical Center, Obu, Japan, 6.Department of Pediatrics, Showa University School of Medicine, Tokyo, Japan)

^○Sayaka Ohata¹, Yukiko Kuroda¹, Yoko Mizuno², Mariko Kasai¹, Satoshi Takenaka¹, Konomi Shimoda¹, Atsushi Sato¹, Akira Oka¹, Masashi Mizuguchi³ (1.The Department of Pediatrics, The University of Tokyo Hospital, Tokyo, Japan, 2.The Department of Pediatrics, Toutobunkyo Hospital, Tokyo, Japan, 3.School of International Health, Graduate School of Medicine, The University)

^○Syoko Yamauchi¹, Mituko Nakajima², Yuka Hattori¹, Hideko Nakajima¹, Tetsuhiro Fukuyama¹, Shinichi Hirabayasi¹, Naomichi Matsumoto² (1.Nagano Children's Hospital, Nagano, Japan, 2.Department of human genetics, Yokohama City University Graduate School of Medicine, Kanagawa, Japan)

^○Yuh Fujiwara^1,2, Yu Fujiwara¹, Hikari Kaba¹, Hirotaka Motoi¹, Yoshihiro Watanabe¹, Sawako Takeshita¹, Mitsuko Nakashima², Naomichi Matsumoto² (1.Yokohama City Universty Medical Center,Yokohama,Japan, 2.Yokohama City University Hospital,Yokohama,Japan)

^○Yuichi Suzuki¹, Hiroki Tsukada¹, Atsusshi Ono¹, Shinichiro Ohara¹, Kazuhide Suyama¹, Yuichiro Asano², Ryo Maeda², Megumi Hoshina², Asako Kato¹, Yukihiko Kawasaki¹, Mitsuhiro Kato³, Mitsuko Nakashima⁴, Naomichi Matsumoto⁴, Mitsuaki Hosoya¹ (1.Department of Pediatrics, Fukushima Medical University School of Medicine,Fukushima,Japan, 2.Department of Pediatrics,Ohara general hospital,Fukushima,Japan, 3.Department of Pediatrics, Showa University School of Medicine,Tokyo,Japan, 4.Department of Human Genetics, Yokohama City University Graduate School of Medicine,Kanagawa,Japan)

^○Atsushi Araki^1,2, Satoko Koga², Kazunari Kaneko², Nobuhiko Okamoto³ (1.Department of Pediatrics, Osaka Saiseikai Noe Hospital, Osaka, Japan, 2.Department of Pediatrics, Kansai Medical University, Osaka, Japan, 3.Department of Medical Genetics, Osaka Medical Center and Research institute for Maternal and Child Health)

^○Yoji Ikuta¹, Tomohide Goto², Tomohiro Arakuma³, Sahoko Miyama⁴ (1.Department of Pediatrics, Showa General Hospital, Tokyo, Japan, 2.Division of Pediatric Neurology, Kanagawa Children\'s Medical Center, Japan, 3.Department of Pediatrics, Saitama Cooperative Hospital, Japan, 4.Department of Neurology, Tokyo Metropolitan Children\'s Medical Center, Japan)