1. Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
2. Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
3. Department of Human Resource, The Second Affiliated Hospital of Anhui Medical University, Anhui, Hefei, China
4. Institute of Applied Health Research, University of Birmingham, Birmingham, UK
5. Department of Rheumatology & Immunology, Anhui Provincial Hospital, Anhui, Hefei, China
6. Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Anhui, Hefei, China
7. School of Stomatology, Anhui Medical University, Hefei, Anhui, China