About the Authors
Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, United States of America
Department of Epidemiology, Gillings School of Global Health, University of North Carolina, Chapel Hill, North Carolina, United States of America
Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: WMPBW EFD RSB AMdS. Performed the experiments: WMPBW RdA. Analyzed the data: WMPBW EFD RdA RSB AMdS. Contributed reagents/materials/analysis tools: WMPBW EFD MAAL RSB. Wrote the paper: WMPBW EFD MAAL RSB AMdS.