Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hong Kong, China;
World Health Organization Collaborating Centre for Community Health Services, School of Nursing, The Hong Kong Polytechnic University, Hong Kong, China;
School of Public Administration, Sichuan University,Chengdu 610065, China;
Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hong Kong, China;
School of Public Administration, Sichuan University,Chengdu 610065, China;
Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong, China;