1. National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050, China.
2. Center for Health Statistics and Information, National Health and Family Planning Commission, Beijing, China.
3. School of Population and Global Health, University of Melbourne, Melbourne, Australia.
4. School of Science and Health, University of Western Sydney, Sydney, Australia.