About the Authors

Claudia Fernández-Alarcón

Affiliation Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, United States of America

Randall S. Singer

Affiliations Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, United States of America, Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile

Timothy J. Johnson

joh04207@umn.edu

Affiliation Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RS TJ. Performed the experiments: CF. Analyzed the data: CF RS TJ. Contributed reagents/materials/analysis tools: RS TJ. Wrote the paper: CF RS TJ.