1. Department of Veterinary Pathology Royal (Dick) School of Veterinary Studies University of Edinburgh Edinburgh UK
2. Department of Small Animal Clinical Sciences Institute of Veterinary Science University of Liverpool Neston UK
3. Department of Veterinary Pathology and Public Health Institute of Veterinary Science University of Liverpool Neston UK
4. Cytology Diagnostic Services Laboratory of Histology and Embryology Institute of Biomedical Sciences Abel Salazar University of Porto Porto Portugal
5. Hospital for Small Animals Royal (Dick) School of Veterinary Studies University of Edinburgh Edinburgh UK