1. Department of Rheumatology and Immunology Peking University People's Hospital Beijing China
2. Department of Rheumatology and Immunology Second Hospital of Shanxi Medical University Taiyuan China
3. Department of Radiology Peking University People's Hospital Beijing China
4. Department of Pathology Peking University People's Hospital Beijing China
5. Second Department of liver disease center, Beijing Youan Hospital Capital Medical University Beijing China
6. Department of Rheumatology and Immunology Beijing Friendship Hospital, Capital Medical University Beijing China