1 Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1 Jonancho Hitachi, Ibaraki, 317-0012, Japan. [email protected].
2 Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita-shi, Osaka, 565-0871, Japan.
3 Division of Trauma and Surgical Critical Care, Osaka General Medical Center, 3-1-56 Bandai-higashi, Sumiyoshi-ku, Osaka-shi, Osaka, 558-8558, Japan.
4 Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1 Jonancho Hitachi, Ibaraki, 317-0012, Japan.