1. Department of Emergency and Critical Care Medicine Emergency Medical Center St. Luke’s International Hospital Tokyo Japan
2. Department of Emergency Medicine Osaka Medical College Takatsuki Japan
3. Emergency Medical Center Kagawa University Hospital Kagawa Japan
4. Osaka Mishima Emergency Critical Care Center Takatsuki Japan
5. Department of Neurology Saiseikai Yokohamashi Tobu Hospital Yokohama Japan
6. Department of Emergency and Critical Care Medicine Nippon Medical School Tama Nagayama Hospital Tama Japan
7. Department of Emergency and Critical Care Medicine Juntendo University Urayasu Hospital Urayasu Japan
8. Department of Emergency and Critical Care MedicineNippon Medical School Tokyo Japan