1. Institute of Strategy and Management, Corvinus University of Budapest, Hungary
2. Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
3. Swedish School of Social Science, University of Helsinki, Uusimaa, Finland
4. Institute of Education and Psychology at Szombathely, ELTE Eötvös Loránd University, Budapest, Hungary
5. Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Finland