1. aDoctoral School of Food Science, Faculty of Food Science, Szent István University, H-1118 Budapest, Villányi út 29–43. Hungary
2. bDepartment of Hospitality, Faculty of Commerce, Hospitality and Tourism, Budapest Business School, H-1054 Budapest, Alkotmány utca 9–11. Hungary
3. cDoctoral School of Nutrition and Food Science, University of Debrecen, H-4032 Debrecen, Egyetem tér, 1. Hungary
4. dDepartment of Methodology for Business Analysis, Faculty of Commerce, Hospitality and Tourism, Budapest Business School, H-1054 Budapest, Alkotmány út 9–11. Hungary
5. eDepartment of Food Science and Nutrition, Faculty of Food Science, Szent István University, H-1118 Budapest, Somlói út 14–16. Hungary