1. Comparative Toxicology Laboratories, Diagnostic Department of Medicine/Pathobiology, Kansas State University, Manhattan, KS
2. Department of Chemical Engineering, Kansas State University, Manhattan, KS
3. Doctoral graduate student, Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA
4. Doctoral graduate student, Department of Infectious Disease, University of Missouri, Columbia, MO
5. Department of Chemistry, Kansas State University, Manhattan, KS