^○Masayoshi Oguri¹, Yoshiaki Saito², Mitsuo Toyoshima³, Hiroyuki Torisu⁴, Soo-young Lee⁵, Tohru Okanishi⁶, Yoshihiro Maegaki² (1.Department of Pathobiological Science and Technology, School of Health Scien ce, Faculty of Medicine, Tottori University, Yonago, Japan, 2.Division of Child Neurology, Institute of Neurological Sciences, Faculty of Medicine, Tottori University, Yonago, Japan, 3.Department of Pediatrics, Toyoshima Clinic, Kagoshima, Japan, 4.Section of Pediatrics, Department of Medicine, Fukuoka Dental College, Fukuoka, Japan, 5.Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuooka, Japan, 6.Division of Child Neurology, Seirei-Hamamatsu General Hospital,Shizuoka, Japan)

^○Masahiro Nishiyama¹, Hiroaki Nagase¹, Yusuke Ishida², Tsukasa Tanaka², Kyoko Fujita², Daisaku Toyoshima², Azusa Maruyama², Kazumi Tomioka¹, Hiroshi Kurosawa³, Hiroki Takeda⁴, Yoshiyuki Uetani⁴, Satoshi Takada⁵, Kazumoto Iijima¹ (1.Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan, 2.Department of Neurology, Hyogo Prefectural Kobe Children's Hospital, Kobe, Japan, 3.Department of Pediatric Critical Care Medicine, Hyogo Prefectural Kobe Children's Hospital, Kobe, Japan, 4.Department of Emergency and General Medicine, Hyogo Prefectural Kobe Children's Hospital, Kobe, Japan, 5.Kobe University Graduate School of Health Science, Kobe, Japan)

^○Yuko Nakamura¹, Ryuki Matsuura², Erika Hiwatari², Satoru Ikemoto², Reiko Koichihara², Kenjiro Kikuchi², Manabu Tanaka³, Motoyuki Minamitani², Shinichiro Hamano² (1.Division of Critical Care Medicine, Saitama Children's Medical Center,Saitama,Japan, 2.Division of Child Neurology, Saitama Children's Medical Center,Saitama,Japan, 3.Division of Pediatric General Medicine)

^○Tsukasa Tanaka^1,2, Yusuke Ishida^1,2, Kazumi Tomioka², Masahiro Nishiyama², Kyoko Fujita³, Daisaku Toyoshima¹, Azusa Maruyama¹, Hiroaki Nagase², Hiroshi Kurosawa⁴, Hiroki Takeda³, Yoshiyuki Uetani³, Kazumoto Iijima² (1.Department of Neurology, Hyogo Prefectural Kobe Children's Hospital, Kobe, Japan, 2.Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan, 3.Department of Emergency and General Medicine, Hyogo Prefectural Kobe Childrens Hospital, Kobe, Japan, 4.Department of Pediatric Critical Care Medicine, Hyogo Prefectural Kobe Childrens Hospital, Kobe, Japan)

^○Tetsuhiro Fukuyama, Shouko Yamauchi, Yuka Hattori, Hideko Nakajima, Shinici Hirabayashi (Division of pediatric neurology, Nagano children's hospital,Nagano,Japan)

^○Masataka Fukuoka¹, Hisashi Kawawaki¹, Ichiro Kuki¹, Kiyohiro Kim¹, Takeshi Inoue¹, Megumi Nukui¹, Shin Okazaki¹, Junichi Ishikawa², Kiyoko Amou², Masao Togawa², Hiroshi Rinka³, Kiyotaka Tomiwa⁴, Masashi Shiomi⁵ (1.Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan, 2.Department of Pediatric Emergency, Osaka City General Hospital, Osaka, Japan, 3.Emergency and critical care center, Osaka City General Hospital, Osaka, Japan, 4.Todaiji Medical and Educational Center, Nara, Japan, 5.Department of Pediatrics, Aizenbashi hospital, Osaka, Japan)

^○Kazumi Tomioka¹, Hiroaki Nagase^1,2, Yuusuke Ishida², Tsukasa Tanaka², Masahiro Nishiyama¹, Kyoko Fujita⁴, Daisaku Toyoshima², Azusa Maruyama², Hiroshi Kurosawa³, Hiroki Takeda⁴, Yoshiyuki Uetani⁴, Satoshi Takada⁵, Kazumoto Iijima¹ (1.Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan, 2.Department of Neurology, Hyogo Prefectural Kobe Children's Hospital, Kobe, J apan, 3.Department of Pediatric Critical Care Medicine, Hyogo Prefectural Kobe Children's Hospital , Kobe, Japan, 4.Department of Emergency and General Medicine, Hyogo Prefectural Kobe Children's Hospital , Kobe, Japan, 5.Kobe University Graduate School of Health Science, Kobe, Japan)