^○Kimihiko Kaneko¹, Douglas Sato^1,2, Ryo Ogawa¹, Tetsuya Akaishi¹, Yoshiki Takai¹, Syuhei Nishiyama¹, Toshiyuki Takahashi^1,3, Tatsuro Misu¹, Hiroshi Kuroda¹, Ichiro Nakashima^1,4,5, Kazuo Fujihara^1,4,5, Masashi Aoki¹ (1.Department of neurology, Tohoku University, Sendai, Japan, 2.Brain Institute and Hospital Sao Lucas Pontifical Catholic University of Rio Grande do Sul, Port Alegre, Brazil, 3.Department of neurology, NHO Yonezawa hospital, Yonezawa, Japan, 4.Department of Multiple Sclerosis Therapeutics, Fukushima Medical University, Fukushima, Japan, 5.Multiple Sclerosis and Neuromyelitis Optica Center, TOHOKU Research Institute for Neuroscience, Koriyama, Japan)

^○Yuji Hashimoto¹, Toshiyuki Takahashi^3,4, Yuzo Tanabe^1,5, Kimihiko Kaneko³, Aki Atsumi², Hiroko Sassaki², Miki Wakayama², Akiko Hoshino², Toshiaki Jibiki¹, Masaki Kanazawa¹, Masaru Terai¹ (1.Pediatrics, Chiba Kaihin Municipal Hospital, Chiba, Japan, 2.Ophthalmology, Chiba Kaihin Municipal Hospital, Chiba, Japan, 3.Department of Neurology, Tohoku University School of Medicine, Miyagi, Japan, 4.Department of Neurology, Yonezawa National Hospital, Yamagata, Japan, 5.Soga Pediatric Clinic, Chiba, Japan)

^○Koji Takahashi¹, Kentaro Shirai¹, Akiko Haibara¹, Akimitsu Watanabe¹, Toshiyuki Takahashi^2,3, Kimihiko Kaneko² (1.Tsuchiura Kyodo General Hospital, Ibaraki, Japan, 2.The Department of Neurology, Tohoku University, Sendai, Japan, 3.The Department of Neurology, National Hospital Organization Yonezawa Hospital, Yonezawa, Japan)

^○Megumi Nukui¹, Hisashi Kawawaki¹, Masako Okada¹, Masataka Hukuoka¹, Kiyohiro Kim¹, Takeshi Inoue¹, Ichiro Kuki¹, Shin Okazaki¹, Kiyoko Amo², Kimihiko Kaneko³, Toshiyuki Takahashi³ (1.The Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan, 2.The Department of Pediatric Emergency, Osaka City General Hospital, Osaka, Japam, 3.The Department of Neurology, Tohoku University School of Medicine, Miyagi, Japam)

^○Hiroko Tada^1,2, Hiroshi Sakuma¹, Tomonori Suzuki¹, Masaharu Hayashi¹ (1.Tokyo Metropolitan Institute of Medical Science, Development of Neuroimmunology Project, Tokyo, Japan, 2.Chibaken Saiseikai Hospital, Devision of Pediatrics, Narashino, Japan)

^○Rie Nakai¹, Takeru Nakajima¹, Aiko Hirano¹, Ryouko Hayasi¹, Tae Ikeda¹, Sadami Kimura¹, Yukiko Mogami¹, Keiko Yanagihara¹, Yasuhiro Suzuki¹, Yosiiti Hatukawa², Hitohiko Kaneko³ (1.Osaka Medical Center And Research Institute For Maternal And Child Health, Osaka, Japan, 2.Osaka, Japan, 3.Sendai, Japan)