About the Authors

Belen Otero-Abad

Affiliation Vetsuisse-Faculty, University of Zurich, Section for Veterinary Epidemiology, Zurich, Switzerland

Paul R. Torgerson

paul.torgerson@access.uzh.ch

Affiliation Vetsuisse-Faculty, University of Zurich, Section for Veterinary Epidemiology, Zurich, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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