1. Department of Sanitary Engineering, Faculty of Health Sciences, University of Ljubljana, Ljubljana, Slovenia
2. Department of Microbiology and Parasitology, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
3. Department of Food Technology and Biotechnology, Faculty of Chemistry and Technology, University of Split, Split, Croatia
4. Department for Health Ecology, Faculty of Medicine, University of Rijeka, Rijeka, Croatia