[1] Shandong First Med Univ, Dept Integrated Tradit Chinese & Western Med, Cent Hosp, Jinan, Peoples R China
[2] Shandong First Med Univ, Cent Hosp, Dept Rheumatol & Immunol, Jinan, Peoples R China
[3] Shandong Second Prov Gen Hosp, Dept Rheumatol, Jinan, Peoples R China
[4] Shandong First Med Univ, Dept Gen Practice, Cent Hosp, Jinan, Peoples R China