1. Emergency Medicine and Medical Toxicology, Department of Emergency Medicine, University of California, San Francisco—Fresno, 155 N Fresno Street, Fresno 93701, CA, USA
2. Forensic Laboratory Division, Office of Chief Medical Examiner, 1 Newhall Street, San Francisco 94124, CA, USA
3. Department of Laboratory Medicine, University of California, San Francisco, 185 Berry Street, San Francisco 94158, CA, USA