^○Seiji Watanabe, Yoshinori Okumura, Tomomi Murakami, Akinobu Tamari (Shizuoka Children's Hospital, Shizuoka, Japan)

^○Atsuko Ohno¹, Masahiro Tanaka¹, Yu Okai¹, Yoko Sakaguchi¹, Yuji Itou¹, Hiroyuki Yamamoto¹, Tomohiko Nakata¹, Hiroyuki Kidokoro¹, Atsushi Numaguchi², Tamiko Negoro¹, Kazuyoshi Watanabe¹, Jun Natsume^1,3 (1.Department of Pediatrics, Nagoya University, Aichi, Japan, 2.Department of Emergency and Critical Care Medicine, Nagoya University, Aichi, Japan, 3.Department of Development Disability Medicine, Nagoya University, Aichi, Japan)

^○Kaoru Yamamoto¹, Atsuro Daida¹, Mina Yokoyama¹, Ikuko Tanaka², Daisuke Hasegawa¹, Atsushi Manabe¹, Masaaki Ogihara¹ (1.The Department of Pediatrics, St. luke's International Hospital, Tokyo, Japan, 2.The Department of Clinical Labotory, St. luke's International Hospital, Tokyo, Japan)

^○Sawako Yamazaki^1,2, Tsukasa Ohashi³, Hideshi Kawashima⁴, Jun Tohyama⁵, Makiko Saitoh⁶, Ai Hoshino⁷, Akira Oka⁷, Masashi Mizuguchi⁶ (1.Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan, 2.Department of Pediatrics, Nagaoka Institute for Severely Handicapped Children, Nagaoka, Japan, 3.Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan, 4.Department of Pediatrics, Niigata City General Hospital, Niigata, Japan, 5.Department of Pediatrics, Nishi-Niigata Chuo Hospital, Niigata, Japan, 6.Department of Developmental Medical Sciences, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, 7.Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan)

^○Chizu Oba¹, Mitsuru Kashiwagi¹, Takuya Tanabe², Shohei Nomura¹, Motoko Ogino³, Mari Hatanaka³, Hiromitsu Toshikawa³, Miho Hukui³, Sosuke Yoshikawa⁴, Shuichi Shimakawa³, Koji Azumakawa⁵, Eiji Wakamiya⁶, Hiroshi Tamai³ (1.The Department of Pediatric, Hirakata City Hospital, Osaka, Japan, 2.Tanabe Children's Clinic, Osaka, Japan, 3.The Department of Pediatric, Osaka Medical College Hospital, Osaka, Japan, 4.Osaka Rosai Hospital, Osaka, Japan, 5.Seikeikai Hospital, Osaka, Japan, 6.The Department of Medical Health, Aino University,Osaka, Japan)

^○Ichiro Kuki¹, Hisashi Kawawaki¹, Masataka Fukuoka¹, Kiyohiro Kim¹, Takeshi Inoue¹, Megumi Nukui¹, Shin Okazaki¹, Kiyoko Amo², Masao Togawa², Jyunichi Ishikawa³, Hiroshi Rinka³, Kiyotaka Tomiwa⁴, Masashi Shiomi⁵ (1.The Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan, 2.The Department of Pediatric Emergency Medicine, Osaka City General Hospital, Osaka, Japan, 3.The Department of Emergency Medical Center, Osaka City General Hospital, Osaka, Japan, 4.The Department of Pediatric Neurology, Todaiji Medical and Educational Center, Nara, Japan, 5.The Department of Pediatrics, Aisenbashi Hospital, Osaka, Japan)

^○Yoshiaki Yano¹, Masanori Ito², Mitsumasa Fukuda³ (1.Department of Pediatrics, Ehime Medical Center, Toon, Japan, 2.Department of Pediatrics, Ehime Prefectural Central Hospital, Matsuyama, Japan, 3.Department of Pediatrics, Ehime University Graduate School of Medicine, Toon, Japan)