Funding for this research was provided by:
grants‐in‐aid for scientific research (JP19H03752)
grants-in-aid for scientific research (JP 20H04106, JP 19K03320)
smoking research foundation
ministry of health, labour and welfare (201915003A)
Received: 5 July 2021
Accepted: 1 November 2021
First Online: 20 November 2021
Change Date: 25 January 2022
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s13030-021-00230-1
: This study was approved by the Kyushu University Institutional Review Board for Clinical Research (27–43). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.