1. Department of Microbiology and Immunology; Medical University of South Carolina; 173 Ashley Avenue Charleston 29425 South Carolina
2. Hollings Cancer Center; Medical University of South Carolina; 173 Ashley Avenue Charleston 29425 South Carolina
3. Children's Research Institute; Medical University of South Carolina; 173 Ashley Avenue Charleston 29425 South Carolina
4. Department of Pathology; Microbiology and Immunology; University of South Carolina School of Medicine; 6439 Garner's Ferry Road Columbia 29208 South Carolina
5. Ralph H. Johnson Veterans Affairs Medical Center; Charleston South Carolina