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) - Peking Union Medical College Hospital, Hainan General Hospital - Department of Rheumatology and Immunology, Central South University - Department of Rheumatology, Nanchang University - Second Affiliated Hospital, The People's Hospital of Guangxi Zhuang Autonomous Region - Department of Rheumatology and Immunology, Government of the People's Republic of China - Xijing Hospital, Inner Mongolia Medical University - Affiliated Hospital, Southern Medical University, The First People’s Hospital of Yunnan Province, Kunming Medical University - First Affiliated Hospital, 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) - Peking Union Medical College Hospital, 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) - Peking Union Medical College Hospital, 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, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Peking Union Medical College Hospital and Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Peking Union Medical College Hospital