Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC), Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Rheumatology, Tianjin Medical University - Department of Rheumatology and Immunology, Guangdong Academy of Medical Sciences - Guangdong General Hospital, Henan University of Science and Technology, Central South University, Central South University, Shenzhen People's Hospital, Shandong University, Ningxia Medical University, Capital Medical University - Beijing Chaoyang Hospital, Government of the People's Republic of China - Department of Clinical Immunology, China Medical University, Peking University - Department of Rheumatology and Clinical Immunology, Dalian Medical University, Nanchang University - Second Affiliated Hospital, Zhejiang University - Department of Rheumatology, Gansu Provincial Hospital, Inner Mongolia Medical University, Wenzhou Medical University, Capital Medical University - Beijing Chaoyang Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Epidemiology and Biostatistics, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - State Key Laboratory of Complex Severe and Rare Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Cardiology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Rheumatology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Rheumatology and Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Peking Union Medical College Hospital