1. Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
2. Department of Microbiology, National Veterinary Institute (SVA), Uppsala, Sweden
3. Department of Animal Health and Antimicrobial Strategies, National Veterinary Institute (SVA), Uppsala, Sweden
4. Department of Biomedical Science and Veterinary Public Health, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden