1. Department of Anesthesiology and Critical Care Medicine, Hokkaido University, Graduate School of Medicine, Sapporo-city
2. Department of Laboratory Medicine, Mie University School of Medicine, Tsu-city
3. Third Department of Internal Medicine, Kanazawa University, Graduate School of Medical Science, Kanazawa-city
4. Department of Surgery, Juntendo University Urayasu Hospital, Urayasu-city
5. Intensive Care Unit, Shiga University of Medical Science, Ohtsu-city
6. First Department of Surgery, University of Occupational and Environmental Health School of Medicine, KitaKyushu-city
7. Department of Critical Care and Traumatology, National Tokyo Disaster Medical Center, Tachikawa-ku
8. Department of Internal Medicine, Teikyo University, School of Medicine, Itabashi-ku
9. Department of Hematology/Oncology, Wakayama Medical University, Wakayama City
10. Department of Emergency and Critical Care Medicine, Kawaguti Municipal Medical Center, Kawaguchi-city
11. Second Department of Internal Medicine, Kyoto Prefectural University of Medicine, Kyoto-city
12. Department of Emergency Medicine and Intensive Care Unit, Nagoya University, Graduate School of Medicine, Nagoya-city
13. Department of Trauma and Critical Care Medicine, Kyorin University School of Medicine, Mitaka-city
14. Department of Critical Care Medicine, Iwate Medical University, School of Medicine, Morioka-city, Japan