1. Division of Forensic Toxicology, Office of the Armed Forces Medical Examiner, Division of Forensic Toxicology, Armed Forces Institute of Pathology, Washington, DC, US.
2. Santa Clara County Medical Examiner-Coroner, San Jose, CA and Stanford University, Palo Alto, CA, US.
3. Department of Pathology (Neuropathology), Sunnybrook Hospital, Toronto, CA.
4. Office of the Hillsborough County Medical Examiner, Tampa, FL, US.
5. Office of the Medical Examiner of District 9, Onando, FL, US.
6. Department of Pathology, University of Maryland, Baltimore, MD, US.
7. Human Neurochemical Pathology Laboratory, Centre for Addiction and Mental Health, Clarke Division, 250 College Street Toronto, Ontario CA M5T 1R8.