Funding for this research was provided by:
Science and Technology Department of Henan Province (2016023)
Received: 5 July 2019
Accepted: 16 December 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: This research was carried out in accordance with the guidelines of the Ethics Committee of Henan Provincial Chest Hospital (acceptance no.: EC-2018-HY-005). Written informed consent was obtained from each participant. All protocols in the animal study were in accordance with the guidelines of the Institutional Animal Care and Use Committee review board of Henan Provincial Chest Hospital (acceptance no.: ZYKX20180011). Both of them were performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: All authors approved publication of the manuscript.
: The authors declare that they have no competing interests.