1. Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Graduate School of Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Beijing, China
2. Department of Rheumatology and Clinical Immunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
3. Department of Rheumatology, Ningde Hospital Affiliated to Fujian Medical University, Ningde, Fujian Province, China
4. Department of Rheumatology and Clinical Immunology, Handan First Hospital, Hebei, China