About the Authors

David Forgacs

Affiliation Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America

Rick L. Wallen

Affiliation National Park Service, Yellowstone National Park, Mammoth Hot Springs, Wyoming, United States of America

Lauren K. Dobson

Affiliation Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America

James N. Derr

jderr@cvm.tamu.edu

Affiliation Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: DF RLW LKD JND. Data curation: DF LKD. Formal analysis: DF LKD. Funding acquisition: RLW JND. Investigation: DF RLW LKD. Methodology: DF RLW LKD JND. Project administration: RLW JND. Resources: RLW JND. Software: LKD. Supervision: RLW JND. Validation: DF LKD JND. Visualization: DF RLW. Writing – original draft: DF. Writing – review & editing: DF RLW LKD JND.