1. School of Health Sciences, Örebro University, Örebro, Sweden
2. Department of Primary and Secondary Teacher Education, Oslo Metropolitan University, Oslo, Norway
3. Department of Teacher Education and Outdoor Studies, Norwegian School of Sport Sciences, Oslo, Norway
4. The Swedish School of Sport and Health Sciences (GIH), Stockholm, Sweden
5. Department of Teacher Education, Dalarna University, Falun, Sweden
6. Department of Sport Science and Physical Education, University of Agder, Kristiansand, Norway