[1] Guangzhou Med Univ, Affiliated Hosp 1, Guangzhou, Peoples R China
[2] Inner Mongolia Med Univ, Affiliated Hosp, Hohhot, Peoples R China
[3] Capital Med Univ, Beijing Inst Resp Med, Beijing, Peoples R China
[4] Capital Med Univ, Beijing Chao Yang Hosp, Beijing, Peoples R China
[5] Shanghai Jiao Tong Univ, Ruijin Hosp, Sch Med, Dept PCCM, Shanghai, Peoples R China
[6] Healthlink Med Surg Dent Clin & Diagnost Ctr, Iloilo, Philippines
[7] Ajou Univ, Sch Med, Suwon, South Korea
[8] AstraZeneca, Cambridge, England
[9] AstraZeneca, Shanghai, Peoples R China
[10] AstraZeneca R&D, Shanghai, Peoples R China
[11] AstraZeneca, Warsaw, Poland
[12] Amgen Inc, Thousand Oaks, CA USA