Authors
Feijie Lu
Respiratory Disease, Yinzhou No. 2 Hospital, China
Chunrong Zhong
Health Care Center Area Four, Hainan General Hospital (Hainan Hospital Affiliated of Hainan Medical College), China
Yongquan Dong
Respiratory Disease, Yinzhou No. 2 Hospital, China
Mingming Wang
Respiratory Disease, Yinzhou No. 2 Hospital, China