1. Department of Pathology, Swedish University of Agricultural Sciences, Faculty of Veterinary Medicine, Uppsala, Sweden
2. Department of Statistics, University of Uppsala, Uppsala, Sweden
3. Department of Surgery, University of Uppsala, Uppsala, Sweden
4. Department of Surgery and Medicine, Swedish University of Agricultural Sciences, Faculty of Veterinary Medicine, Uppsala, Sweden
5. Department of Radiology, Swedish University of Agricultural Sciences, Faculty of Veterinary Medicine, Uppsala, Sweden
6. Department of Pathology, University of Uppsala, Uppsala, Sweden