1. Miami-Dade County Medical Examiner Department, Toxicology Laboratory, 1851 NW 10th Avenue, Miami FL, USA
2. UF Health Pathology Laboratories—Forensic Toxicology Laboratory, Department of Pathology, Immunology, and Laboratory Medicine, University of Florida College of Medicine, 4800 SW 35th Drive, Gainesville FL, USA
3. Office of the Chief Medical Examiner, 720 Albany Street, Boston MA, USA
4. State Health Laboratories, State of Rhode Island Department of Health, 50 Orms Street, Providence RI, USA