1. Istituto Veterinario di Novara; Granozzo con Monticello (No) Novara Italy
2. Diagnostic Imaging Department; Policlinico di Monza Hospital; Monza Italy
3. Department of Veterinary Science; University of Messina; Messina Italy
4. Department of Animal Medicine, Production and Health; University of Padova; Legnaro (PD) Italy
5. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty; University of Zurich; Zurich Switzerland