1 Department of Fifth Internal Medicine, Chengdu Pidu District Hospital of Traditional Chinese Medicine, Chengdu, China.
2 Department of Rheumatology and Immunology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
3 Department of Rheumatology and Immunology, Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China.
4 Department of Rheumatology, Fangshan Hospital Beijing University of Chinese Medicine, Beijing, China.