1. Dipartimento Scienze Veterinarie, University of Pisa, Pisa, Italy
2. Ospedale Didattico Veterinario “Mario Modenato”, University of Pisa, Pisa, Italy
3. Dipartimento di Scienze Agrarie, Alimentali e Agro-Alimentari, University of Pisa, Pisa, Italy
4. Departament de Medicina i Cirurgia Animals, Autonomous University of Barcelona, Barcelona, Spain