Masakazu KINOSHITA, Yusuke HAGIWARA (Department of Pediatric Emergency and Critical Care Medicine, Tokyo Metropolitan Children's Medical Center)

Yasuhiro OHNISHI, Hirokazu TAKEI, Taisuke MATSUMOTO, Kousuke MIYAWAKI, Masahumi OHNISHI, Naoko TANIZAWA, Satoshi MATSUI, Takuro HAYASHI, Ryoujirou TANAKA (Department of Emergency, Hyogo Prefectural Kobe Children's Hospital)

Hiromasa AKADA (Pediatrics, Kitakashiwa Children's Clinic)

Kazuhito NONAKA, Ko ICHIHASHI (Pediatrics, Jichi Medical University Saitama Medical Center)