1. Chief Toxicologist, Bexar County Medical Examiner's Office and Forensic Toxicology Laboratory, 7337 Louis Pasteur San Antonio, TX, 78229-4565, US.
2. For Tox Consulting, 7028 Bandera Rd., San Antonio, TX 78238, US.
3. Bexar County Medical Examiner's Office and Forensic Toxicology Laboratory, 7337 Louis Pasteur San Antonio, TX, 78229-4565, US.