1. Forensic Science Laboratory, Osaka Prefectural Police Headquarters, Osaka, Japan
2. Division of Emergency Medicine, Department of Emergency, Disaster and General Medicine, Iwate Medical University School of Medicine, Morioka, Japan
3. Division of Forensic Medicine, Department of Public Health and Forensic Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
4. Emergency Medical Center & Poison Center, Saitama Medical University Hospital, Saitama, Japan