About the Authors

Jason S. Stumhofer

jstumhofer@uams.edu.

Affiliation Department of Microbiology and Immunology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States of America

Jonathan S. Silver

Affiliation Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Christopher A. Hunter

Affiliation Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: J.S. Stumhofer J.S. Silver CAH. Performed the experiments: J.S. Stumhofer J.S. Silver. Analyzed the data: J.S. Stumhofer J.S. Silver CAH. Wrote the paper: J.S. Stumhofer CAH.