1. HBSA & Curtin University School Of Public Health, Perth, Australia
2. College of Humanities and Social Sciences, Harbin Institute of Technology, Shenzhen, Guangdong, China
3. Division of Behavioral Health and Health Promotion, Centre for Health Behaviours Research, The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
4. Community Research Program on AIDS; The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China