1. Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
2. Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, Anhui, China
3. Department of Epidemiology and Biostatistics, School of Public Health, Guangdong Medical University, Dongguan, Guangdong, China
4. Department of Epidemiology, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China