1. Department for Veterinary Public Health, Laboratory for Residue Control, Croatian Veterinary Institute, Zagreb, Croatia
2. Laboratory of Antibiotic, Enzyme, Probiotic and Starter Culture Technologies, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
3. Department for Bacteriology and Parasitology, Laboratory for Mastitis and Raw Milk Quality, Croatian Veterinary Institute, Zagreb, Croatia
4. Laboratory for Analytical Chemistry and Residues, Križevci Veterinary Institute, Križevci, Croatia
5. Department for Bacteriology and Parasitology, Laboratory for Bacterial Zoonoses and Molecular Diagnostics of Bacterial Diseases, Croatian Veterinary Institute, Zagreb, Croatia