1. Physical Education and Sports Science Academic Department, National Institute of Education, Nanyang Technological University, Singapore
2. Office of Education Research, National Institute of Education, Nanyang Technological University, Singapore
3. Department of Physical Education, Chung-Ang University, Seoul, South Korea
4. Faculty of Sports Science, Sendai University, Shibata, Japan
5. Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland