1. Editor, Hong Kong Medical Journal; The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong; Centre for Health Education and Health Promotion, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
2. Editor, Hong Kong Medical Journal
3. International Editorial Advisory Board, Hong Kong Medical Journal; Department of Global Health, School of Public Health, Peking University, Beijing, China
4. The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong; Centre for Health Education and Health Promotion, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong; Department of Global Health, School of Public Health, Peking University, Beijing, China; Editor-in-Chief, Hong Kong Medical Journal