1. Small Animal Teaching Hospital, The Leahurst Campus; University of Liverpool Chester High Road; Neston Wirral CH64 7TE UK
2. The Animal Health Trust; Suffolk CB8 7UU UK
3. Department of Animal Pathology, School of Veterinary Medicine; University of Turin; Grugliasco (TO) Italy
4. “De Ottenhorst” Veterinary Oncology Referral Centre; Terneuzen The Netherlands
5. DESV Internal Medicine, Centre de Cancérologie Vétérinaire; Maisons-Alfort France
6. Medizinische Kleintierklinik Clinic for Small Animal Medicine, Center for Clinical Veterinary Medicine; Ludwig-Maximilians-Universität München Veterinärstr; München Germany
7. Tierklinik Hofheim; Hofheim Germany
8. Patología Médica Facultad de Veterinaria; Universidad Autónoma de Barcelona; Bellaterra Spain
9. VetAgro Sup; Université Lyon 1; Lyon France
10. Pfizer Animal Health EUAfME; Paris France
11. Royal (Dick) School of Veterinary Studies and Roslin Institute; Easter Bush Midlothian EH25 9RG UK