Article History
Received: 18 December 2019
Accepted: 16 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the Ethics Committee of Nagasaki University Graduate School of Biomedical Sciences (Approval No. 14051404–8). Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interest.