1. First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin University of Traditional Chinese Medicine Tianjin China
2. Department of Rheumatology Dongfang Hospital Beijing University of Chinese Medicine Beijing China
3. Department of Rheumatology, Changzhou Hospital of Traditional Chinese Medicine Affiliated to Nanjing University of Traditional Chinese Medicine Jiangsu Province China
4. Department of Rheumatology Fangshan Hospital, Beijing University of Chinese Medicine Beijing China