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