Shanghai Huashan Hospital Fudan University-Rheumatology, Shanghai, Shanghai, China
Site 01, Beijing, Beijing, China
Site 02, Zhengzhou, Henan, China
Site 04, Nanjing, Jiangsu, China
Site 03, Beijing, Beijing, China
Peking University People's Hospital, Beijing, Beijing, China
Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
The Fourth Affiliated Hospital Zhejiang University School of Medicine, Jinhua, Zhejiang, China
China-Japan Friendship Hospital, Beijing, Beijing, China
Shenzhen People's Hospital, Shenzhen, Guangdong, China
Zhongshan Hospital affiliated to Fudan University, Shanghai, Shanghai, China
Shanghai Xuhui District Central Hospital, Shanghai, Shanghai, China