1. Department of Rheumatology Tianjin Medical University General Hospital Tianjin China
2. Department of Rheumatology, Peking Union Medical College Hospital Peking Union Medical College, Chinese Academy of Medical Sciences Beijing China
3. Key Laboratory of Rheumatology and Clinical Immunology Ministry of Education Beijing China
4. Department of Cardiology Tianjin Medical University General Hospital Tianjin China
5. Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College Chinese Academy of Medical Sciences Beijing China
6. Department of Rheumatology Guangdong General Hospital Guangzhou China
7. Department of Rheumatology, Xiangya Hospital Central South University Changsha China
8. Department of Rheumatology The First Affiliated Hospital of Nanjing Medical University Nanjing China
9. Department of Clinical Immunology, PLA Specialized Research Institute of Rheumatology & Immunology, Xijing Hospital The Fourth Military Medical University Xi'an China
10. Department of Rheumatology, Ren Ji Hospital South Campus, School of Medicine Shanghai Jiao Tong University Shanghai China
11. Department of Rheumatology, Ren Ji Hospital, School of Medicine Shanghai Jiao Tong University Shanghai China
12. Department of Rheumatology, Beijing Chao‐Yang Hospital Capital Medical University Beijing China
13. Department of Rheumatology The First Central Hospital Tianjin China
14. Department of Rheumatology The Second Affiliated Hospital of Harbin Medical University Harbin China
15. Department of Rheumatology and Clinical Immunology Peking University First Hospital Beijing China
16. Department of Rheumatology Qilu Hospital of Shandong University Jinan China
17. Department of Rheumatology The Third Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
18. Department of Rheumatology and Immunology West China Hospital, Sichuan University Chengdu China