1. Department of Emergency Medicine Osaka Medical College TakatsukiJapan
2. Department of Anesthesiology and Critical Care Medicine Fujita Health University School of Medicine ToyoakeJapan
3. Department of Intensive Care Medicine Kameda Medical Center KamogawaJapan
4. Department of Emergency and Critical Care Medicine Juntendo University Nerima Hospital TokyoJapan
5. Department of Biostatistics Nagoya University Graduate School of Medicine NagoyaJapan
6. Department of Anesthesiology and Intensive Care MedicineKochi Medical School KochiJapan
7. Department of Anesthesiology Kobe University Hospital KobeJapan
8. Department of Traumatology and Acute Critical Medicine Osaka University Graduate School of Medicine Suita Japan