1. The George Institute for Global Health, Faculty of Medicine and Health, UNSW Sydney, Sydney, Australia
2. National Centre for Non-Communicable Disease Control and Prevention, Chinese Centre for Disease Control and Prevention, Beijing, China
3. China Centre for Health Development Studies, Peking University, Beijing, China
4. Social Policy Research Centre, UNSW Sydney, Sydney, Australia
5. School of Population Health, Faculty of Medicine and Health, UNSW Sydney, Sydney, Australia
6. School of Optometry and Vision Science, Faculty of Medicine and Health, UNSW Sydney, Sydney, Australia
7. School of Public Health, Harbin Medical University, Harbin, China