1. Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
2. Department of Causes and Interventions of Chronic Diseases, Anhui Province Key Laboratory of Major Autoimmune Diseases, Hefei, Anhui, China
3. Department of Rheumatology and Immunology, Anhui Provincial Hospital, Hefei, Anhui, China
4. Department of Nephrology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China