1. Department of Microbiology, Immunology and Molecular Genetics University of Kentucky College of Medicine Lexington KY USA
2. Department of Molecular and Cellular Biochemistry University of Kentucky College of Medicine Lexington KY USA
3. Laboratory of Bacteriology, Rocky Mountain Laboratories National Institute of Allergy and Infectious Diseases, National Institutes of Health Hamilton MT USA
4. Department of Biology University of Texas at San Antonio San Antonio TX USA
5. Department of Microbiology, Molecular Genetics, and Immunology University of Kansas Medical Center Kansas City KS USA
6. Department of Biomedical Sciences University of North Dakota School of Medicine and Health Sciences Grand Forks ND USA
7. Department of Entomology University of Kentucky Lexington KY USA