1. School of Public Health, Xinjiang Medical University, Urumqi, China
2. Urumqi Center for Disease Control and Prevention, Urumqi, China
3. JC School of Public Health and Primary Care, Chinese University of Hong Kong, Hong Kong, China
4. Department of Epidemiology and Biostatistics, School of Public Health, Capital Medical University, Beijing, China
5. Department of Cardiac Pacing and Electrophysiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
6. Department of Medical Engineering and Technology, Xinjiang Medical University, Urumqi, China
7. School of Mathematics and Statistics, Huaiyin Normal University, Huaian, China
8. Centre for Health Systems and Policy Research, Chinese University of Hong Kong, Hong Kong, China