1. Japanese Society for Clinical Toxicology, Case Study and Research Committee Tokyo Japan
2. Emergency and Critical Care Medicine St. Luke’s International Hospital Tokyo Japan
3. Okinawa Prefectural Institute of Health and Environment Uruma Japan
4. Department of Emergency and Critical Care Medicine Juntendo University Urayasu Hospital Urayasu Japan
5. Hasegawa Hospital Mitaka Japan
6. Department of Emergency Medicine and Critical Care Center Hospital of National Center for Global Health and Medicine Tokyo Japan
7. Saitama Medical University Hospital Saitama Japan
8. Yonemori Hospital Kagoshima Japan