About the Authors

Annette M. O'Connor, Alejandro Ramirez
Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa, United States of America

Brent Auvermann
Texas AgriLife Research, Amarillo, Texas, United States of America

Danelle Bickett-Weddle
Center For Food Security/Public Health, College of Veterinary Medicine, Iowa State University, Ames, Iowa, United States of America

Steve Kirkhorn
National Farm Medicine Center, Marshfield Clinic, Marshfield, Wisconsin, United States of America

Jan M. Sargeant
Centre for Public Health and Zoonoses, and Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada

Susanna G. Von Essen
Department of Environmental, Agricultural and Occupational Health, College of Public Health, University of Nebraska Medical Center, Omaha, Nebraska, United States of America

Corresponding Author

oconnor@iastate.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AO. Analyzed the data: AO. Wrote the paper: AO. Reviewed papers, participated in meetings and commented on manuscript drafts: BA DB-W SK JS AR SVE.