[1] Guangzhou Med Univ, Affiliated Hosp 1, Guangzhou Inst Resp Hlth, State Key Lab Resp Dis,Natl Clin Res Ctr Resp Dis, Guangzhou, Peoples R China
[2] AstraZeneca China, Med Affairs, Shanghai, Peoples R China
[3] Univ Macau, Inst Chinese Med Sci, State Key Lab Qual Res Chinese Med, Macau, Peoples R China
[4] Shenzhen Peoples Hosp, Shenzhen Inst Resp Hlth, Shenzhen, Peoples R China