Affiliation: | 1. Department of Pediatric Intensive Care, Nagano Children''s Hospital, 3100, Toyoshina, Azumino City, Nagano, 399-8288, Japan;2. Division of Emergency Service and Transport Medicine, National Center for Child Health and Development, 2-10-1, Okura, Setagaya-ku, Tokyo, 157-8535, Japan;3. Division of Emergency and Critical Care Medicine, Department of Acute Medicine, Nihon University School of Medicine, 30-1, Otaniguti, Kami-chou, Itabashi-ku, Tokyo, 173-8610, Japan |