Received: 24 March 2021
Accepted: 7 May 2021
First Online: 15 May 2021
Change Date: 8 June 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12890-021-01559-7
: This current study was approved by NCKUH Institutional Review Board (B-ER-105-390 and A-ER-107-193). Formal written informed consent for participation was obtained from each patient upon inclusion into this study. We confirmed that all the experiment protocols involving human data were in accordance with the relevant institutional, national, and international regulations and guidelines and the Declaration of Helsinki.
: Not applicable.
: All authors of this manuscript report no conflict of interest. All authors of this manuscript have not received any financial or nonfinancial support from any tobacco or pharmaceutical company.