1. Laboratory of Bacteriology, NIAID, NIH, Hamilton, Montana, USA
2. Department of Biomedical Sciences, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, Michigan, USA
3. Department of Medical Education, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, Michigan, USA
4. Research Technologies Branch, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, Montana, USA