1. Centro Oncologico Veterinario; Sasso Marconi Italy
2. Division of Radiation Oncology; Vetsuisse Faculty; University of Zurich; Zurich Switzerland
3. Private Veterinary Laboratory “Biessea”; Milan Italy
4. Department of Comparative Biomedicine and Food Science; University of Padua; Padua Italy
5. Laboratorio d'Analisi Veterinarie San Marco; Padua Italy