About the Authors

Sharon K. Kuss

Contributed equally to this work with: Sharon K. Kuss, Chris A. Etheredge

Affiliation Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Chris A. Etheredge

Contributed equally to this work with: Sharon K. Kuss, Chris A. Etheredge

Affiliation Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Julie K. Pfeiffer

Julie.Pfeiffer@UTSouthwestern.edu

Affiliation Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JP. Performed the experiments: SK CE JP. Analyzed the data: SK CE JP. Wrote the paper: SK JP.