About the Authors

Lori M. Neal

Affiliation Department of Medical Microbiology and Immunology, University of Wisconsin - Madison, Madison, Wisconsin, United States of America

Laura J. Knoll

ljknoll@wisc.edu

Affiliation Department of Medical Microbiology and Immunology, University of Wisconsin - Madison, Madison, Wisconsin, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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