1. Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, 612 42 Brno, Czech Republic
2. Department of Land Management and Landscape Architecture, Faculty of Environmental Engineering and Land Surveying, University of Agriculture in Krakow, 31-120 Krakow, Poland
3. Department of Food Hygiene, Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, 041 81 Košice, Slovakia
4. Department of Pharmacology and Toxicology, University of Veterinary Medicine and Pharmacy in Košice, 041 81 Košice, Slovakia
5. Department of Computer Graphics and Geometry, Faculty of Mechanical Engineering, Brno University of Technology, 616 69 Brno, Czech Republic
6. Department of Food Preservation, Faculty of Food and Biochemical Technology, University of Chemistry and Technology, 160 00 Prague, Czech Republic
7. Department of Dietetics and Nutritional Science, Faculty of Health Sciences, Semmelweis University, 1088 Budapest, Hungary
8. Bee Research Institute, Maslovice-Dol 94, 252 66 Libcice nad Vltavou, Czech Republic
9. State Veterinary and Food Institute Dolný Kubín, Veterinary and Food Institute Košice, Hlinková 1, 043 65 Košice, Slovakia