1. Department of Emergency and Critical Care Medicine Saiseikai Shiga Hospital Ritto Japan
2. Senri Critical Care Medical Center Saiseikai Senri Hospital Suita Japan
3. Department of Emergency and Critical Care Medicine Japanese Red Cross Society Kyoto Daini Hospital Kyoto Japan
4. Department of Primary Care and Emergency Medicine Graduate School of Medicine Kyoto University Kyoto Japan
5. Department of Emergency Medicine Japanese Red Cross Society Kyoto Daiichi Red Cross Hospital Kyoto Japan
6. Department of Emergency Medicine Rakuwa‐kai Otowa Hospital Kyoto Japan
7. Department of Emergency Medicine Uji‐Tokushukai Medical Center Uji Japan
8. Department of Emergency Medicine North Medical Center Kyoto Prefectural University of Medicine Kyoto Japan
9. Department of Emergency Medicine Kyoto Prefectural University of Medicine Kyoto Japan
10. Department of Emergency and Critical Care Medicine National Hospital Organization Kyoto Medical Center Kyoto Japan
11. Department of Emergency and Critical Care Medicine Kyoto Min‐Iren Chuo Hospital Kyoto Japan
12. Department of Emergency Medicine, Yodogawa Christian Hospital Osaka Japan
13. Department of Emergency Medicine Fukuchiyama City Hospital Fukuchiyama Japan
14. Division of Environmental Medicine and Population Sciences Department of Social and Environmental Medicine Graduate School of Medicine Osaka University Osaka Japan