Affiliation: | 1. Emergency and Critical Care Center, Tokyo Metropolitan Hiroo Hospital, Tokyo, Japan;2. Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan;3. Department of Trauma and Critical Care Medicine, Kyorin University School of Medicine, Tokyo, Japan;4. Department of Biostatistics & Bioinformatics, The University of Tokyo, Tokyo, Japan;5. Department of Health Services Research, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan |