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) - Peking Union Medical College Hospital, The Second People's Hospital of Wuhu, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Epidemiology and Biostatistics, Inner Mongolia Medical University - Affiliated Hospital, Nanchang University - Second Affiliated Hospital, The People’s Hospital of Xin Jiang Uygur Autonomous Region - Department of Rheumatology and Immunology, Baotou Medical College, Zibo Central Hospital, Kunming Medical University - Department of Rheumatology and Immunology, 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) - Peking Union Medical College Hospital and Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Rheumatology