About the Authors

Suzanne M. Pritchard

Affiliation Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, United States of America

Cristina W. Cunha

Affiliations Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, United States of America, Animal Disease Research Unit, USDA-Agricultural Research Service, Pullman, Washington, United States of America

Anthony V. Nicola

nicola@vetmed.wsu.edu

Affiliations Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, United States of America, Paul G. Allen School for Global Animal Health, Washington State University, Pullman, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SP CWC AVN. Performed the experiments: SP. Analyzed the data: SP AVN. Contributed reagents/materials/analysis tools: CWC. Wrote the paper: AVN.