[1] China Japan Friendship Hosp, Dept Resp Med, Beijing 100029, Peoples R China
[2] Nanjing Med Univ, Affiliated Hosp 1, Dept Resp Med, Nanjing, Jiangsu, Peoples R China
[3] Third Mil Med Univ, Xinqiao Hosp, Dept Resp Med, Chongqing, Peoples R China
[4] Zhejiang Univ, Hosp 2, Dept Resp Med, Hangzhou, Zhejiang, Peoples R China
[5] Shandong Jiaotong Univ, Peoples Hosp 2, Dept Resp Med, Jinan, Shandong, Peoples R China
[6] Sichuan Univ, West China Hosp, Dept Resp Med, Chengdu, Peoples R China
[7] Southern Med Univ, Nanfang Hosp, Dept Resp Med, Guangzhou, Guangdong, Peoples R China
[8] Shenyang Mil Reg, Gen Hosp, Dept Resp Med, Shenyang, Peoples R China
[9] Guangxi Med Univ, Affiliated Hosp 1, Dept Resp Med, Nanning, Peoples R China
[10] China Med Univ, Affiliated Hosp 1, Dept Resp Med, Beijing, Peoples R China
[11] Guangzhou Inst Resp Dis, Guangzhou, Guangdong, Peoples R China
[12] Kunming Mil Reg, Gen Hosp, Dept Resp Med, Kunming, Peoples R China
[13] Anhui Med Univ, Affiliated Hosp 1, Dept Resp Med, Hefei, Peoples R China
[14] Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Resp Med, Wuhan, Peoples R China
[15] Shenzhen Peoples Hosp, Dept Resp Med, Shenzhen, Peoples R China
[16] Zhejiang Univ, Affiliated Hosp 2, Dept Resp Med, Hangzhou, Zhejiang, Peoples R China
[17] Capital Med Univ, Beijing Tongren Hosp, Dept Resp Med, Beijing, Peoples R China
[18] Shandong Jiaotong Univ, Ruijin Hosp, Dept Resp Med, Jinan, Peoples R China
[19] Fourth Mil Med Univ, Xijing Hosp, Dept Resp Med, Xian, Peoples R China
[20] Peking Union Hosp, Peking Union Med Coll, Dept Resp Med, Beijing, Peoples R China
[21] Chinese Acad Med Sci, Beijing, Peoples R China
[22] Hebei Med Univ, Affiliated Hosp 2, Dept Resp Med, Shijiazhuang, Hebei, Peoples R China
[23] Ningbo Second Hosp, Dept Resp Med, Ningbo, Zhejiang, Peoples R China