1. Department of Rheumatology and Immunology Peking University People's Hospital Beijing China
2. Department of Clinical Laboratory Peking University People's Hospital Beijing China
3. Department of Pathology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
4. Department of Radiology Peking University People's Hospital Beijing China
5. Department of Pathology Peking University People's Hospital Beijing China
6. Department of Rheumatology and Immunology Beijing Friendship Hospital Beijing China