1. Doctoral School of Food Science, Hungarian University of Agriculture and Life Sciences, Buda Campus, Budapest, Hungary
2. Department of Methodology for Business Analysis, Faculty of Commerce, Hospitality and Tourism, Budapest Business School, Budapest, Hungary
3. Department of Nutrition, Hungarian University of Agriculture and Life Sciences, Buda Campus, Budapest, Hungary
4. Institute of Food Science, University of Debrecen, Debrecen, Hungary
5. Department of Hospitality, Faculty of Commerce, Hospitality and Tourism, Budapest Business School, Budapest, Hungary