1. Department of Emergency, Fujisawa Shounandai Hospital, Fujisawa, Japan
2. Department of Radiology, Fujisawa Shounandai Hospital, Fujisawa, Japan
3. Department of Surgery, National Hospital Organization Yokohama Medical Center, Yokohama, Japan
4. Department of Critical care and Emergency Medicine, National Hospital Organization Yokohama Medical Center, Yokohama, Japan
5. Surgery, National Hospital Organization Yokohama Medical Center, Yokohama, Japan