1. Department of Critical Care Medicine and Trauma National Hospital Organization Disaster Medical Center TokyoJapan
2. Department of Emergency Medicine St. Luke’s International Hospital TokyoJapan
3. Department of Traumatology and Critical Care Medicine National Defense Medical College TokorozawaJapan
4. Department of Emergency Medicine Minamitama Hospital TokyoJapan
5. Department of Emergency and Critical Care Medicine Nippon Medical School Hospital Tokyo Japan