1. Centro Oncologico Veterinario; Bologna Italy
2. North Downs Specialist Referrals; Bletchingley UK
3. Department of Veterinary Medical Sciences; University of Bologna; Bologna Italy
4. Department of Comparative Biomedicine and Food Science; University of Padua; Padua Italy
5. Department of Clinical Science and Services; Immune Regulation Laboratory, Royal Veterinary College; London UK
6. Queen Mother Hospital for Animals; Royal Veterinary College; Hatfield UK
7. Small Animal Clinical Sciences; School of Veterinary Medicine, University of Glasgow; Glasgow UK
8. Dierenkliniek Sanimalia; Diepenbeek Belgium
9. Hospital Veterinário Berna, OnevetGroup; Lisboa Portugal
10. Department of Veterinary Sciences; University of Pisa; Pisa Italy
11. Department of Veterinary Sciences; University of Turin; Turin Italy
12. Department of Veterinary Medicine; University of Milan; Milan Italy