1. China Academy of Chinese Medical Sciences, Beijing, China
2. Beijing University of Chinese Medicine, Beijing, China
3. Division of Rheumatology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, United States of America
4. Department of Radiology, Cedars-Sinai Medical Center, Los Angeles, United States of America
5. Beijing Key Lab for Immune-Mediated Inflammatory Diseases, China-Japan Friendship Hospital, Beijing, China
6. Department of TCM Rheumatology, China‐Japan Friendship Hospital, Beijing, China
7. Stanford University, Stanford, California, United States of America