About the Authors

Terra R. Kelly

trkelly@ucdavis.edu

Affiliation School of Veterinary Medicine, Wildlife Health Center, University of California Davis, Davis, California, United States of America

Christine K. Johnson

Affiliation School of Veterinary Medicine, Wildlife Health Center, University of California Davis, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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