^○Takatoshi Sato¹, Keiko Ishigaki¹, Yuki Kihara¹, Kumiko Ishiguro¹, Minobu Shichiji¹, Satoru Nagata¹, Hajime Arahata², Ruriko Kitao³, Akiko Wakisaka⁴, Michinori Funato⁵, Katshuhisa Ogata⁶, Hirofumi Komaki⁷, Masanori P. Takahashi⁸, Yasuhiro Takeshima⁹, Tsuyoshi Matshumura¹⁰ (1.Department of Pediatrics, Tokyo Women's Medical University, Tokyo, JAPAN, 2.Department of Neurology, National Hospital Organization Omuta Hospital, Omuta, Japan, 3.Department of Neurology, National Hospital Organization Hakone Hospital, Kanagawa, Japan, 4.Department of Pediatrics, National Hospital Organization Iou Hospital, Ishikawa, Japan, 5.Department of Neurology, National Hospital Organization Nagara Medical Center, Nagara, Japan, 6.Department of Neurology, National Hospital Organization Higashisaitama Hospital, Hasuda, Japan, 7.Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Japan, 8.Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan, 9.Department of Pediatrics, Hyogo Medical University School of Medicine, Nishinomiya, Japan, 10.Department of Neurology, National Hospital Organization Osaka Toneyama Medical Center)

^○Kenjiro Kikuchi, Shin-ichiro Hamano, Rikako Takeda, Hirokazu Takeuchi, Yuko Hirata, Ryuki Matsuura, Reiko Koichihara, Akira Oka (Division of Neurology, Saitama Children's Medical Center, Saitama, Japan)

^○Saho Yokozeki, Hitoshi Osaka, Kazuhiro Muramatsu, Tadahiro Mitani, Kiwako Tsukida (Department of Pediatrics, Jich Medical University of Shimotsuke, Tochigi, Japan)

^○Ohno Ayaka¹, Yuko Shimizu-Motohashi^1,2, Madoka Mori-Yoshimura², Kaoru Yamamoto¹, Hisako Yamamoto¹, Noriko Sumitomo¹, Shimpei Baba¹, Eri Takeshita¹, Takashi Saito¹, Eiji Nakagawa^1,3, Hirofumi Komaki^1,4 (1.Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan, 2.Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan, 3.Department of Epileptology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan, 4.Translational Medical Center, National Center of Neurology and Psychiatry, Tokyo, Japan)