1. Small Animal Clinical Sciences; University of Florida College of Veterinary Medicine; Gainesville FL 32610
2. Royal (Dick) School of Veterinary Studies, Easter Bush Veterinary Centre; University of Edinburgh; Roslin Midlothian, Scotland UK
3. Department of Veterinary Medical Sciences; University of Bologna; Ozzano Emilia Bologna Italy
4. Universita degli Studi di Teramo Facolta di Medicina Veterinaria; Teramo Abruzzo Italy
5. Centro Oncologico Veterinario; Sasso Marconi Italy
6. Clinica Veterinaria dell'Orologio; Sasso Marconi Bologna Italy