1. Department of Health and Physical Education, The Education University of Hong Kong, Taipo, Hong Kong
2. Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Shatin, Hong Kong
3. Alliance for Research in Exercise, Nutrition and Activity (ARENA), Allied Health and Human Performance, University of South Australia, Adelaide, SA, Australia
4. Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ontario, Canada
5. School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
6. Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong