1. Department of Veterinary Disease Biology, Faculty of Life Sciences (LIFE), University of Copenhagen, Frederiksberg C, Denmark
2. Department of Veterinary Diagnostics and Research, The National Veterinary Institute, Technical University of Denmark (DTU), Frederiksberg C, Denmark
3. Departament de Sanitat i Anatomia Animals, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
4. Centre de Recerca en Sanitat Animal (CReSA), UAB-IRTA, Barcelona, Spain