1. Department of Veterinary Medicine; Pathology and Veterinary Clinic Section; University of Sassari; Via Vienna 2 07100 Sassari Italy
2. Department of Biomedical Sciences; School of Specialization in Clinical Biochemistry, “G. d'Annunzio” University; Via dei Vestini 31 66100 Chieti Italy
3. Research and Development Department; Forza10 USA Corp.; 10142 Canopy Tree Ct 32836 Orlando Florida USA
4. Department of Diagnostic Medicine; Clinical and Public Health; University of Modena and Reggio Emilia; Via Campi 213/A 41125 Modena Italy