1. Department of Emergency Medicine, Kyoto Prefectural University of Medicine, Japan (T. Matsuyama, B.O.).
2. Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Suita, Japan (T. Irisawa, K.Y., T. Shimazu).
3. Emergency and Critical Care Medical Center, Osaka Police Hospital, Japan (T.Y.).
4. Department of Emergency and Critical Care Medicine, Kansai Medical University, Takii Hospital, Moriguchi, Japan (K.H.).
5. Department of Emergency Medicine, Tane General Hospital, Osaka, Japan (K.N.).
6. Department of Critical Care Medicine, Osaka City University, Japan (T.N.).
7. Department of Emergency and Critical Care Medicine, Kinki University School of Medicine, Osaka-Sayama, Japan (T. Ishibe).
8. Osaka Mishima Emergency Critical Care Center, Takatsuki, Japan (Y.Y.).
9. Kyoto University Health Services, Japan (T. Kiguchi, T. Iwami).
10. Critical Care and Trauma Center, Osaka General Medical Center, Japan (T. Kiguchi).
11. Osaka Prefectural Nakakawachi Medical Center of Acute Medicine, Higashi-Osaka, Japan (M.K.).
12. Senshu Trauma and Critical Care Center, Osaka, Japan (H.S.).
13. Senri Critical Care Medical Center, Saiseikai Senri Hospital, Suita, Japan (Y.H.).
14. Traumatology and Critical Care Medical Center, National Hospital Organization Osaka National Hospital, Japan (T. Sogabe).
15. Emergency and Critical Care Medical Center, Osaka City General Hospital, Japan (T.Morooka).
16. Department of Pediatrics, Osaka Red Cross Hospital, Japan (H.S.).
17. Emergency and Critical Care Medical Center, Kishiwada Tokushukai Hospital, Osaka, Japan (K.S.).
18. Department of Emergency and Critical Care Medicine, Kansai Medical University, Hirakata, Osaka, Japan (F.N.).
19. Department of Preventive Services, Kyoto University School of Public Health, Japan (N.N., Y.O.).
20. Division of Environmental Medicine and Population Sciences, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Japan (S.M., J.S., T. Kitamura).