1. Associate professor and research specialist, respectively, Section of Toxicology, Department of Pharmacology, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, US.
2. Box 70, 422, Section of Toxicology Department of Pharmacology James H. Quillen College of Medicine East Tennessee State University Johnson City, TN 37614-0422, US.
3. Deputy chief medical examiner of the State of Tennessee, Department of Forensic Pathology, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, US.