1. Department of Teacher Education, University of Helsinki, Helsinki, Finland
2. Folkhälsan Research Center, Helsinki, Finland
3. Faculty of Education and Culture, Tampere University, Tampere, Finland
4. Philosophical Faculty, School of Applied Education Science and Teacher Education, University of Eastern Finland, Joensuu, Finland
5. Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
6. University of Applied Sciences, Seinäjoki, Finland