About the Authors
Center for Virology and Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
New England Primate Research Center, Harvard Medical School, Southborough, Massachusetts, United States of America
Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
The authors have declared that no competing interests exist.
XC, RCD, NRT, and BRC conceived and designed the experiments. XC, AS, SL, JPB, and RE performed the experiments. XC, NRT, and BRC wrote the paper.