1. Department of Emergency Medicine; Iwate Medical University School of Medicine; Morioka Iwate Japan
2. Poisoning and Drug Laboratory Division; Critical Care and Emergency Center; Iwate Medical University Hospital; Morioka Iwate Japan
3. Department of Psychiatry; Hachinohe Japanese Red Cross Hospital; Hachinohe Aomori Japan
4. Department of Legal Medicine; Iwate Medical University School of Medicine; Morioka Iwate Japan
5. Advanced Emergency and Critical Care Center; Hiroshima University Hospital; Hiroshima Japan
6. Division of Forensic Medicine; Department of Public Health and Forensic Medicine; Tohoku University Graduate School of Medicine; Sendai Miyagi Japan