1. Faculty of Education, Department of Teacher Education, University of Turku, Turku, Finland
2. Department of Education, Ben-Gurion University of the Negev, Beersheba, Israel
3. Department of Educational Psychology, Philipps University of Marburg, Marburg, Germany
4. Faculty of Medicine and Health Sciences, Department of Movement and Sports Sciences – Sports Pedagogy, Ghent University, Ghent, Belgium
5. Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong, People’s Republic of China