1. De Ottenhorst; Veterinary Oncology Referral Centre; Terneuzen The Netherlands
2. Roosevelt Academy; Middelburg The Netherlands
3. The Queen's Veterinary School Hospital; University of Cambridge; Cambridge UK
4. Animal Hospital Postojna; Postojna Slovenia
5. Department of Medical Imaging; Faculty of Veterinary Medicine; Ghent University; Merelbeke Belgium
6. Laboratory for Pathology and Histology; Animal Health Service; Deventer The Netherlands
7. Laboratory of Veterinary Pathology; Faculty of Veterinary Medicine; Ghent University; Merelbeke Belgium