Wai Kai Hou1, Brian J Hall2. 1. Laboratory of Psychology and Ecology of Stress, The Education University of Hong Kong, Hong Kong Special Administrative Region, China; Department of Psychology, The Education University of Hong Kong, Hong Kong Special Administrative Region, China; Centre for Psychosocial Health, The Education University of Hong Kong, Hong Kong Special Administrative Region, China. 2. Global and Community Mental Health Research Group, Faculty of Social Sciences, Department of Psychology, University of Macau, Macao Special Administrative Region, China; Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. Electronic address: brianhall@um.edu.mo.