1. Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
2. Center for Translational Biomedical Research, The University of North Carolina at Greensboro, Kannapolis, NC, USA.
3. Department of Microbiology and Immunology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
4. Department of Epidemiology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
5. Department of Infectious Disease Research, Foundation for Biomedical Research and Innovation at Kobe, Kobe, Hyogo, Japan.
6. Department of Cell Biology and Physiology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
7. Department of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
8. Department of Chemistry and Biochemistry, The University of North Carolina at Greensboro, Greensboro, NC, USA.