1. Department of Emergency Medicine Teikyo University School of Medicine Itabashi Japan
2. Department of Emergency and Disaster Medicine University of Toyama Toyama Japan
3. Department of Emergency and Critical Care Medicine Juntendo University Urayasu Hospital Urayasu Japan
4. Japan Organisation of Occupational Health and Safety National Institute of Occupational Safety and Health Kiyose Japan
5. Department of Trauma and Emergency Medicine Tokyo Metropolitan Tama Medical Center Fuchu Japan
6. Department of Public Health Graduate School of Medicine Kyoto University Kyoto Japan
7. Department of Emergency Medicine Kumamoto Sekijuji Hospital Kumamoto Japan
8. Department of Urology, Emergency Room, Jichi Medical University Saitama Medical Center Jichi Medical University Shimotsuke Japan
9. Department of Emergency and Critical Care Medicine Tokyo Metropolitan Tama Medical Center Fuchu Japan
10. Department of Emergency and Critical Care Medicine Nippon Medical School Bunkyo City Japan
11. Department of Emergency and Critical Care Medicine St. Luke's International Hospital Chuo City Japan
12. Advanced Medical Emergency Department and Critical Care Center Maebashi Red Cross Hospital Maebashi Japan
13. Department of Emergency and Critical Care Medicine Hitachi General Hospital Hitachi Japan
14. Department of Emergency Medicine Gunma University Graduate School of Medicine Maebashi Japan
15. Department of Emergency and Critical Care Medicine Saku Central Hospital Advanced Care Center Saku Japan
16. Rakuwakai Otowa Hospital Kyoto Japan
17. Department of Preventive Services Kyoto University School of Public Health Kyoto Japan
18. Emergency and Critical Care Medicine Kokuritsu Byoin Kiko Kyoto Iryo Center Kyoto Japan
19. Emergency Department Okayama Saiseikai General Hospital Okayama Japan
20. Orthopaedic Surgery, Sapporo Tokushukai Hospital Hokkaido University Sapporo Japan
21. Trauma and Acute Critical Care Center Tokyo Medical and Dental University Hospital Tokyo Japan
22. Hyogo Prefectural Awaji Medical Center Sumoto Japan
23. Department of Radiology Tenri Hospital Tenri Japan
24. Department of Emergency and Critical Care Medicine Japanese Red Cross Saitama Hospital Saitama Japan
25. Division of Comprehensive Medicine Tohoku University Graduate School of Medicine Sendai Japan
26. Department of Emergency Medicine Kyoto Prefectural University of Medicine Kyoto Japan
27. Department of Respiratory Medicine JCHO Tokyo Yamate Medical Center Kyoto Japan
28. Trauma and Critical Care Japanese Red Cross Kumamoto Hospital Kumamoto Japan
29. Department of Emergency Medicine Asahi General Hospital Asahi Japan