1. Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering Ghent University Coupure Links 653 Ghent 9000 Belgium
2. Department of Work, Organization and Society, Faculty of Psychology and Educational Sciences Ghent University Henri Dunantlaan 2 Ghent 9000 Belgium
3. Food Quality and Design Group Wageningen University and Research P.O. Box 17/Bode 30 AA Wageningen 6700 The Netherlands