1. Department of Microbiology and Immunology, University of Mississippi Medical Center, Jackson, Mississippi, USA
2. Department of BioMolecular Sciences, University of Mississippi, Oxford, Mississippi, USA
3. Department of Chemistry and Biochemistry, University of Mississippi, Oxford, Mississippi, USA
4. Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, USA