Funding for this research was provided by:
Japan Society for the Promotion of Science (18K06448, 17H03740)
Received: 19 October 2020
Accepted: 18 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: All procedures involving human participants in this study were performed in accordance with the ethical standards of the institution research committee and the 1964 Helsinki Declaration and its later amendments for comparable ethical standards. This study was approved by the Ethics Committee of Nagasaki University Graduate School of Biomedical Sciences (project registration number: 14051404). Written consent forms in Japanese were made available to ensure a comprehensive understanding of the study objectives, and informed consent was provided by the participants.
: Not applicable
: The authors declare that they have no competing interests.