About the Authors

Christian Quinet

christian.quinet@arsia.be

Affiliation Arsia, Health Department, Ciney, Belgium

Guy Czaplicki

Affiliation Arsia, Health Department, Ciney, Belgium

Elise Dion

Affiliation Arsia, Health Department, Ciney, Belgium

Fabiana Dal Pozzo

Affiliation Research Unit in Epidemiology and Risk analysis applied to Veterinary Sciences (UREAR-ULg), Fundamental and Applied Research for Animal and Health (FARAH), Faculty of Veterinary Medicine, University of Liege, Liege, Belgium

Anke Kurz

Affiliation IFN Schönow GmbH, Bernau bei Berlin, Germany

Claude Saegerman

Affiliation Research Unit in Epidemiology and Risk analysis applied to Veterinary Sciences (UREAR-ULg), Fundamental and Applied Research for Animal and Health (FARAH), Faculty of Veterinary Medicine, University of Liege, Liege, Belgium

Competing Interests

We have the following interests: Anke Kurz is employed by IFN Schönow GmbH. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceptualization: CQ GC. Data curation: CQ GC CS. Formal analysis: CQ GC AK. Investigation: CQ GC AK. Methodology: CQ GC CS. Project administration: CQ GC. Resources: CQ GC AK. Software: AK. Supervision: GC CS. Validation: CQ GC AK CS. Visualization: CQ GC FDP CS. Writing – original draft: CQ GC ED FDP AK CS. Writing – review & editing: CQ GC ED FDP AK CS.