Department of Health and Physical Education Education University of Hong Kong Hong Kong China;
School of Nursing and Healthcare Hong Kong Nang Yan College of Higher Education Hong Kong China;
Hong Kong Martial Arts Institute Hong Kong China;
School of Public Health University of Hong Kong Hong Kong China;
Department of Sport and Physical Education Hong Kong Baptist University Hong Kong China;
Hong Kong Christian Service Hong Kong China;
School of Nursing and Health Studies Open University of Hong Kong Hong Kong China;
Department of Social Work and Social Administration University of Hong Kong Hong Kong China;