[1] Capital Med Univ, Dept Pulm & Crit Care Med, Beijing, Peoples R China
[2] China Japan Friendship Hosp, Natl Clin Res Ctr Resp Dis, Dept Pulm & Crit Care Med, Natl Ctr Resp Med,Ctr Resp Med, Beijing 100029, Peoples R China
[3] China Japan Friendship Hosp, Inst Clin Med Sci, Beijing 100029, Peoples R China
[4] Jin Yin Tan Hosp, Wuhan, Hubei, Peoples R China
[5] Chinese Acad Med Sci, Wuhan Res Ctr Communicable Dis Diag & Treatment, Wuhan, Hubei, Peoples R China
[6] Chinese Acad Med Sci, Inst Resp Med, Beijing, Peoples R China
[7] Tsinghua Univ Peking Univ Joint Ctr Life Sci, Beijing, Peoples R China