1. Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
2. Department of Rheumatology, Huai’an First People’s Hospital, Huai’an 223001, China
3. Department of Rheumatology, Xuzhou Central Hospital, Xuzhou 221008, China
4. Department of Rheumatology, The Third Affiliated Hospital of Soochow University, Changzhou 213003, China
5. Department of Rheumatology, Lianyungang Second People’s Hospital, Lianyungang 222000, China
6. Department of Rheumatology, Lianyungang First People’s Hospital, Lianyungang 222002, China
7. Department of Rheumatology, Northern Jiangsu People’s Hospital, Yangzhou 225007, China
8. Department of Rheumatology, Wuxi People’s Hospital, Wuxi 214028, China
9. Department of Rheumatology, Jiangsu Province Hospital of TCM, Nanjing 210004, China
10. Department of Rheumatology, Southeast University Zhongda Hospital, Nanjing 210009, China
11. Department of Rheumatology, The First Affiliated Hospital of Soochow University, Suzhou 215005, China
12. Department of Rheumatology, Wuxi TCM Hospital, Wuxi 214177, China
13. Department of Rheumatology, Zhenjiang First People’s Hospital, Zhenjiang 212050, China
14. Department of Rheumatology, Affiliated Hospital of Nantong University, Nantong 226001, China
15. Department of Rheumatology, Jiangsu Province Hospital, Nanjing 210029, China
16. Department of Rheumatology, Affiliated Hospital of Jiangsu University, Zhenjiang 212050, China