^○Sooyoung Lee¹, Ryoko Nakamura², Masaru Matusukura², Chong Pinfee², Ryutaro Kira² (1.Department of Critical Care Medicine,Fukuoka Children's Hospital,Fukuoka,Japan, 2.Department of Pediatric Neurology,Fukuoka Children's Hospital,Fukuoka,Japan)

^○Tomoki Kawahara, Hiroshi Katsumori (Department of Pediatrics, KAWAKITA General Hospital, Tokyo, Japan)

^○Manami Mizumoto, Mitsumasa Hukuda, Kentaro Okamoto, Toshihiro Jogamoto, Eiichi Ishii (Department of Pediatrics, Ehime University Graduate School of Medicine, Matsuyama, Japan)

^○Ai Hoshino^1,4, Satomi Nishiyama¹, Makiko Saitoh¹, Masaya Kubota², Jyunichi Takanashi³, Akira Oka⁴, Masashi Mizuguchi¹ (1.Department of Developmental Medical Sciences, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, 2.Division of Neurology, National Center for Child Health and Development, Tokyo, Japan, 3.Department of Pediatrics, Tokyo Women's Medical University Yachiyo Medical Center, Yachiyo, Japan, 4.Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan)

^○Yuko Ichimiya, Masafumi Sanefuji, Kosuke Yonemoto, Michio Torio, Yoshito Ishizaki, Momoko Sasazuki, Satoshi Akamine, Hiroyuki Torisu, Yasunari Sakai, Hidetoshi Takada, Shouichi Ohga (Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan)