[1] Chinese Peoples Liberat Army Gen Hosp, Dept Resp Dis, Beijing, Peoples R China
[2] Beijing Chao Yang Hosp, Dept Infect Dis & Clin Microbiol, Beijing, Peoples R China
[3] Peking Univ, Peoples Hosp, Clin Lab, Beijing 100871, Peoples R China
[4] Beijing Hosp, Dept Resp Dis & Crit Care Med, Beijing, Peoples R China
[5] Beijing Chao Yang Hosp, Dept Resp Dis, Beijing, Peoples R China
[6] Peking Univ, Hosp 3, Dept Resp Dis, Beijing 100871, Peoples R China
[7] Fudan Univ, Huadong Hosp, Dept Resp Dis, Shanghai 200433, Peoples R China
[8] Guangzhou Inst Resp Dis, Guangzhou, Guangdong, Peoples R China
[9] China Med Univ, Hosp 1, Inst Resp Dis, Shenyang, Peoples R China
[10] Dept Gen Hosp Shenyang Mil Reg, Shenyang, Peoples R China
[11] Nanjing Mil Command, Nanjing Gen Hosp, Dept Resp Dis, Nanjing, Jiangsu, Peoples R China
[12] Shandong Prov Hosp, Dept Resp Dis, Jinan, Shandong, Peoples R China
[13] Tongji Hosp, Dept Resp Dis, Wuhan, Peoples R China