1. Division of Psychology, School of Psychology and Sport Science, Anglia Ruskin University, Cambridge, UK;
2. Centre for Psychological Medicine, Perdana University, Serdang, Malaysia;
3. The Cambridge Centre for Sports and Exercise Sciences, Division of Sport Science, School of Psychology and Sport Science, Anglia Ruskin University, Cambridge, UK;
4. Department of Leadership and Organizational Behavior, Norwegian Business School, Oslo, Norway