1. Department of Psychology, Northeast Normal University, Changchun, People’s Republic of China
2. Department of Psychology, University of Copenhagen, København, Denmark
3. Research Unit for Active Living, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
4. Department of Communication and Psychology, University of Aalborg, Aalborg, Denmark
5. Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Frederiksberg, Denmark