About the Authors

Rebecca L. Skalsky

Affiliation Department of Molecular Genetics and Microbiology and Center for Virology, Duke University Medical Center, Durham, North Carolina, United States of America

Bryan R. Cullen

culle002@mc.duke.edu

Affiliation Department of Molecular Genetics and Microbiology and Center for Virology, Duke University Medical Center, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RLS BRC. Performed the experiments: RLS. Analyzed the data: RLS. Contributed reagents/materials/analysis tools: RLS BRC. Wrote the paper: RLS BRC.