[1] Guangzhou Med Univ, Dept Thorac Surg & Oncol, Natl Clin Res Ctr Resp Dis, State Key Lab Resp Dis,Affiliated Hosp 1, 151 Yanjiang Rd, Guangzhou 510120, Peoples R China
[2] Guangzhou Med Univ, Affliated Hosp 6, Dept Resp Med, Qingyuan Peoples Hosp, Qingyuan 511518, Peoples R China
[3] Sun Yat Sen Univ, Dept Med Oncol, Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China,Canc Ctr, Guangzhou 510050, Peoples R China
[4] Guangzhou Med Univ, Dept Resp Med, Natl Clin Res Ctr Resp Dis, State Key Lab Resp Dis,Affiliated Hosp 1, Guangzhou 510120, Peoples R China
[5] First Peoples Hosp Zhaoqing, Dept Med Oncol, Zhaoqing 526020, Peoples R China