1. Trauma and Acute Critical Care Center Tokyo Medical and Dental University Hospital Tokyo Japan
2. Department of Acute Critical Care Medicine Tsuchiura Kyodo General Hospital Ibaraki Japan
3. Department of General Surgery Saitama Medical University Saitama Japan
4. Department of Surgery, Division of Gastroenterological, General and Transplant Surgery Jichi Medical University Tochigi Japan
5. Surgery Department Japanese Red Cross Maebashi Hospital Maebashi Japan
6. Department of Emergency and Critical Care Medicine Wakayama Medical University Wakayama Japan
7. Department of Emergency Medicine Japanese Red Cross Society Kyoto Daini Hospital Kyoto Japan
8. Department of Surgery Shimada General Medical Center Shizuoka Japan
9. Department of Surgery Itabashi Chuo Medical Center Tokyo Japan
10. Department of Acute Critical Care and Disaster Medicine, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan