About the Authors

Sharon K. Kuss, Chris A. Etheredge, Julie K. Pfeiffer
Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America

Corresponding Author

Julie.Pfeiffer@UTSouthwestern.edu

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.