1. Department of Diagnostic Imaging, Istituto Veterinario di Novara Granozzo con Monticello Italy
2. Department of Veterinary ScienceUniversity of Messina Messina Italy
3. Department of Comparative Biomedicine and Food SciencesUniversity of Padua Legnaro (PD) Italy
4. Institute of Veterinary Bacteriology, Vetsuisse FacultyUniversity of Bern Bern Switzerland
5. Department of Animal Medicine, Production and HealthUniversity of Padua Legnaro (PD) Italy
6. Clinic for Small Animal Internal Medicine, Vetsuisse FacultyUniversity of Zurich Zurich Switzerland