[1] Peking Univ Peoples Hosp, Dept Rheumatol & Immunol, 11 Xizhimen South St, Beijing, Peoples R China
[2] Shanxi Med Univ, Hosp 2, Dept Rheumatol & Immunol, Taiyuan, Peoples R China
[3] Peking Univ Peoples Hosp, Dept Radiol, Beijing, Peoples R China
[4] Peking Univ Peoples Hosp, Dept Pathol, Beijing, Peoples R China
[5] Capital Med Univ, Beijing Youan Hosp, Dept liver Dis Ctr 2, Beijing, Peoples R China
[6] Capital Med Univ, Beijing Friendship Hosp, Dept Rheumatol & Immunol, Beijing, Peoples R China
[7] Capital Med Univ, Beijing Friendship Hosp, Dept Rheumatol & Immunol, 95 Yougan Rd, Beijing, Peoples R China