1. Department of Pediatrics, Arkansas Children’s Research Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72202
2. Department of Physiology and Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205
3. Division of Microbiology, National Center for Toxicological Research, U.S. FDA, Jefferson, Arkansas 72079
4. Department of Pathology
5. Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205