1. Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana, USA
2. Department of Pathobiological Sciences, LSU School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA
3. Department of Microbiology and Molecular Genetics, College of Arts and Science, Oklahoma State University, Stillwater, Oklahoma, USA
4. Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, USA