1. Department of Emergency and Critical Care Medicine St. Marianna University School of Medicine Kawasaki KanagawaJapan
2. Department of Emergency and Critical Care Medicine Tokyo Bay Urayasu Ichikawa Medical Center Urayasu ChibaJapan
3. Emergency and Critical Care Medical Center Osaka City General Hospital Miyakojima‐ku OsakaJapan
4. Nippon Medical School Chiba Hokusou Hospital Inzai ChibaJapan
5. Department of Emergency and Critical Care Medicine Saitama Red Cross Hospital Saitama‐shi SaitamaJapan
6. Japanese Red Cross Musashino Hospital Musashino‐shi TokyoJapan
7. Kagawa University Hospital Kita‐gun KagawaJapan
8. Department of Emergency Medicine School of Medicine University of Occupational and Environmental Health Kitakyushu‐shi FukuokaJapan
9. Department of Emergency Medicine National Hospital Organization Ureshino Medical Center Ureshino SagaJapan
10. Department of Emergency and Critical Care Medicine Kindai University Faculty of Medicine Osakasayama Osaka Japan