Yang, Xinting
Zhang, Jing
Liang, Qingtao
Pan, Liping
Duan, Hongfei
Yang, Yang
Li, Hua
Guo, Chao
Sun, Qi
Jia, Hongyan
Du, Boping
Wei, Rongrong
Xing, Aiying
Zhang, Zongde
Chen, Xiaoyou
Funding for this research was provided by:
Beijing Municipal Administration of Hospitals (DFL20151501)
Key Project of the Department of Science and Technology, Beijing, China (D141107005214003, D181100000418003, Z191100006619078)
Article History
Received: 3 February 2020
Accepted: 30 November 2020
First Online: 4 January 2021
Ethics approval and consent to participate
: We complied with the World Medical Association Declaration of Helsinki regarding ethical guidelines involving human subjects. The study protocol was approved by the Ethics Committee of the Beijing chest Hospital affiliated with Capital Medical University, China. We obtained written informed consent from all participants, and the consent of the participants below age 18 years were obtained from their guardian.
: Not applicable.
: JZ is an Associate Editor at BMC Infectious Diseases. All other authors have no any possible competing interests.