About the Authors

Michael Poulsen

To whom correspondence should be addressed. E-mail: poulsen@wisc.edu

Affiliation Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Daniel P. Erhardt

Affiliation Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Daniel J. Molinaro

Affiliation Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Ting-Li Lin

Affiliation Department of Statistics, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Cameron R. Currie

Affiliation Department of Bacteriology, 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: CC MP. Performed the experiments: MP DE DM. Analyzed the data: MP TL. Contributed reagents/materials/analysis tools: CC. Wrote the paper: CC MP.