1. Department of Emergency and Critical Care Medicine Tokyo Bay Urayasu Ichikawa Medical Center Urayasu Chiba Japan
2. Department of Emergency Medicine University of New Mexico Albuquerque New Mexico United States
3. Department of Medical Education Kyushu University Graduate School of Medical Sciences Fukuoka Japan
4. Surgical Intensive Care Unit Nippon Medical School Hospital Tokyo Japan
5. Department of Pediatric Emergency and Critical Care Medicine Tokyo Metropolitan Children’s Medical Center Tokyo Japan
6. Emergency and Critical Care Department Sendai City Hospital Miyagi Japan