About the Authors

J. Paul Norton
Matthew A. Mulvey


Affiliation Division of Microbiology and Immunology, Pathology Department, University of Utah School of Medicine, Salt Lake City, Utah, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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