1. Department of Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine
2. Department of Preventive Services, Kyoto University Graduate School of Medicine
3. Department of Emergency and Intensive Care Medicine, JA Hiroshima General Hospital
4. Department of Emergency and Critical Care Medicine, Toranomon Hospital
5. Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University