About the Authors

Stacey M. Hartwig

Affiliation Department of Microbiology, University of Iowa, Iowa City, Iowa, United States of America

Kaitlyn M. Holman

Affiliation Department of Microbiology, University of Iowa, Iowa City, Iowa, United States of America

Steven M. Varga

steven-varga@uiowa.edu

Affiliations Department of Microbiology, University of Iowa, Iowa City, Iowa, United States of America, Interdisciplinary Graduate Program in Immunology, University of Iowa, Iowa City, Iowa, United States of America, Department of Pathology, University of Iowa, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SMH KMH SMV. Performed the experiments: SMH KMH. Analyzed the data: SMH KMH SMV. Wrote the paper: SMH KMH SMV.