About the Authors

Jonathan D. Steckbeck

Affiliation Center for Vaccine Research, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Chengqun Sun

Affiliation Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Timothy J. Sturgeon

Affiliation Center for Vaccine Research, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Ronald C. Montelaro

rmont@pitt.edu

Affiliations Center for Vaccine Research, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America, Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JDS RCM. Performed the experiments: JDS TJS CS. Analyzed the data: JDS TJS. Contributed reagents/materials/analysis tools: JDS TJS CS. Wrote the paper: JDS RCM.