1. Department of Chemical, Biological, Pharmaceutical, and Environmental Sciences via F. Stagno d'Alcontres 31 University of Messina 98165 Messina Italy
2. Department of Human Pathology of Adulthood and Childhood “Gaetano Barresi” Section of Pathology University of Messina Azienda Ospedaliera Universitaria Policlinico “G. Martino” 98125 Messina Italy
3. Veterinary Consultant, ATS Insubria, Via Rossi 9 21100 Varese Italy
4. Experimental Zooprophylactic Institute of Sicily via G. Marinuzzi 3 90129 Palermo Italy
5. Department of Veterinary Medicine University of Perugia via S. Costanzo 4 06126 Perugia Italy
6. Department of Veterinary Sciences Polo Universitario dell'Annunziata University of Messina 98168 Messina Italy