About the Authors

Nadine Stebler

Affiliation Veterinary Public Health Institute, University of Bern, Liebefeld, Switzerland

Gertraud Schuepbach-Regula

Affiliation Veterinary Public Health Institute, University of Bern, Liebefeld, Switzerland

Peter Braam

Affiliation Federal Food Safety and Veterinary Office, Liebefeld, Switzerland

Laura Cristina Falzon

laura.falzon@vetsuisse.unibe.ch

Affiliation Veterinary Public Health Institute, University of Bern, Liebefeld, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NS GS-R PB LCF. Performed the experiments: NS LCF. Analyzed the data: NS LCF. Contributed reagents/materials/analysis tools: GS-R. Wrote the paper: NS GS-R PB LCF.