[1] Guangzhou Med Univ, Affiliated Hosp 1, Dept Cardiothorac Surg, 151 Yanjiang Rd, Guangzhou 510120, Guangdong, Peoples R China
[2] Guangzhou Inst Resp Dis, Guangzhou, Guangdong, Peoples R China
[3] China State Key Lab Resp Dis, Guangzhou, Guangdong, Peoples R China
[4] Natl Clin Res Ctr Resp Dis, Guangzhou, Guangdong, Peoples R China
[5] Guangzhou Med Univ, Affiliated Hosp 1, Dept Anesthesiol, Guangzhou, Guangdong, Peoples R China