1. Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, Texas, USA
2. Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas, USA
3. Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
4. Sealy Institute for Vaccine Sciences, University of Texas Medical Branch, Galveston, Texas, USA
5. Galveston National Laboratory, University of Texas Medical Branch, Galveston, Texas, USA