1. Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche “Togo Rosati” (IZS‐UM) Perugia Italy
2. Istituto Zooprofilattico Sperimentale della Sardegna (IZS‐SA) Sassari Italy
3. Department of Veterinary Science University of Torino Torino Italy
4. Department of Biomedical Science University of Sassari Sassari Italy
5. Department of Biomedical Sciences and Veterinary Public Health Swedish University of Agricultural Sciences Uppsala Sweden