1. Emergency and Critical Care Medicine St. Luke's International Hospital Tokyo Japan
2. Japanese Society for Clinical Toxicology Case study and Research committee Tokyo Japan
3. Okinawa Prefectural Institute of Health and Environment UrumaJapan
4. Department of Emergency and Critical Care Medicine Juntendo University Urayasu Hospital UrayasuJapan
5. Hasegawa Hospital MitakaJapan
6. Department of Emergency Medicine and Critical Care Center Hospital of National Center for Global Health and Medicine TokyoJapan
7. Saitama Medical University Hospital SaitamaJapan
8. Yonemori Hospital Kagoshima Japan