1. Associate professor, Department of Pathology, St. Louis University School of Medicine, and deputy chief medical examiner, 1402 S. Grand City of St. Louis, MO 63104, US.
2. Associate professor, Departments of Pathology and Pharmacology, and director, Forensic and Environmental Toxicology Laboratory, St. Louis University School of Medicine, St. Louis, MO, US.
3. Chief toxicologist, Office of the Medical Examiner, St. Louis County, and clinical instructor, Department of Pathology, St. Louis University School of Medicine, St. Louis, MO, US.