[1] Peking Union Med Coll Hosp, Beijing, Peoples R China
[2] Tianjin Med Univ, Gen Hosp, Tianjin, Peoples R China
[3] China Med Univ, Hosp 1, Shenyang, Peoples R China
[4] Nanchang Univ, Affiliated Hosp 2, Nanchang, Peoples R China
[5] Inner Mongolia Med Univ, Hohhot City, Peoples R China
[6] Peking Union Med Coll Hosp, Dept Rheumatol & Clin Immunol, Beijing, Peoples R China
[7] Beijing Union Med Coll Hosp, Beijing, Peoples R China
[8] Peking Union Med Coll Hosp, Dept Rheumatol & Clin Immunol, Beijing, Peoples R China
[9] Peking Union Med Coll & Chinese Acad Med Sci, Dept Rheumatol & Clin Immunol, Peking Union Med Coll Hosp, Natl Clin Res Ctr Dermatol & Immunol Dis,Minist S, Beijing, Peoples R China
[10] Chinese Acad Med Sci, Natl Clin Res Ctr Dermatol & Immunol Dis NCRC DID, Dept Rheumatol, Peking Union Med Coll Hosp PUMCH, Beijing, Peoples R China