1. JC School of Public Health and Primary Care , Faculty of Medicine, , Hong Kong , China
2. Chinese University of Hong Kong , Faculty of Medicine, , Hong Kong , China
3. Centre for Health Systems and Policy Research , Faculty of Medicine, , Hong Kong , China
4. Department of Epidemiology and Biostatistics , School of Public Health, , Beijing , China
5. Capital Medical University , School of Public Health, , Beijing , China
6. School of Public Health , Key Laboratory of Environmental Pollution Monitoring and Disease Control Ministry of Education, , Guiyang 550025 China
7. Guizhou Medical University , Key Laboratory of Environmental Pollution Monitoring and Disease Control Ministry of Education, , Guiyang 550025 China
8. Department of Medical Engineering and Technology, Xinjiang Medical University , Urumqi , China
9. School of Public Health, Shanghai Jiao Tong University School of Medicine , Shanghai , China
10. Department of Applied Mathematics, Hong Kong Polytechnic University , Hong Kong , China
11. School of Computer Science, Hubei University of Technology , Wuhan, Hubei 430068 China