1Department of Primary Care and Emergency Medicine, Graduate School of Medicine, Kyoto University, 606-8501, Yoshidakonoe-cho, Sakyo, Kyoto, Japan
2Department of Emergency and Critical Care Medicine, Japanese Red Cross Society, Kyoto Daini Hospital, Kyoto, Japan
3Department of Emergency Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan
4Senri Critical Care Medical Center, Saiseikai Senri Hospital, Suita, Japan
5Department of Emergency, Japanese Red Cross Society, Kyoto Daiichi Red Cross Hospital, Kyoto, Japan
6Department of Emergency Medicine, Rakuwa-kai Otowa Hospital, Kyoto, Japan
7Department of Emergency Medicine, Uji-Tokushukai Medical Center, Uji, Japan
8Department of Emergency Medicine, North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan
9Department of Emergency and Critical Care Medicine, National Hospital Organization, Kyoto Medical Center, Kyoto, Japan
10Department of Emergency and Critical Care Medicine, Saiseikai Shiga Hospital, Ritto, Japan
11Department of Emergency and Critical Care Medicine, Kyoto Min-Iren Chuo Hospital, Kyoto, Japan
12Department of Emergency Medicine, Yodogawa Christian Hospital, Osaka, Japan
13Department of Emergency Medicine, Fukuchiyama City Hospital, Fukuchiyama, Japan
14Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
15Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan