1. Department of Epidemiology, School of Public Health, Southern Medical University , Guangzhou, Guangdong, China
2. School of Nursing, Southern Medical University , Guangzhou, Guangdong, China
3. China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention , Beijing, China
4. National Institute of Health Data Science of China, Southern Medical University , Guangzhou, Guangdong, China