1. Department of Epidemiology and Biostatistics School of Public Health Anhui Medical University Hefei China
2. The Key Laboratory of Anhui Medical Autoimmune Diseases Hefei China
3. Department of Rheumatology and Immunology The First Affiliated Hospital of Anhui Medical University Hefei China
4. Department of Laboratory Medicine School of Public Health Anhui Medical University Hefei China
5. Department of Rheumatology and Immunology The Second Affiliated Hospital of Anhui Medical University Hefei China