1. Department of Veterinary Science and Public Health; University of Milan; Milan Italy
2. Department of Veterinary Science; University of Turin; Grugliasco Italy
3. Quinto Valore S.c.a.r.l.; Reggio Emilia Italy
4. Department of Health, Animal Science and Food Safety; University of Milan; Milan Italy
5. Department of Chemistry, Faculty of Medicine; University of Nis; Nis Serbia