[Dai, Aiguo] Hunan Normal Univ, Hunan Prov Peoples Hosp, Dept Resp Med, Affiliated Hosp 1, Changsha 410016, Peoples R China.
[Wu, Zhaoli] Hunan Univ Chinese Med, Med Sch, Dept Resp Dis, Changsha 410208, Peoples R China.
[Shi, Zeya] Hunan Normal Univ, Hunan Prov Peoples Hosp, Dept Integrated TCM & Western Med, Affiliated Hosp 1, Changsha 410016, Peoples R China.
[Hu, Ruicheng] Hunan Normal Univ, Hunan Prov Peoples Hosp, Dept Sci Res, Affiliated Hosp 1, Changsha 410016, Peoples R China.
[Hu, Ruicheng] Hunan Normal Univ, Hunan Prov Peoples Hosp, Dept Resp Med, Affiliated Hosp 1, Gu Han Rd 89, Changsha 410016, Hunan, Peoples R China.