Funding for this research was provided by:
Japan Society for the Promotion of Science (JSPS), KAKENHI (JP17K16459, JP20K16793)
Received: 1 August 2020
Accepted: 17 December 2020
First Online: 14 January 2021
Ethics approval and consent to participate
: All patients provided informed consent to participate in this study. The Institutional Research Ethics Board at Kumamoto University Hospital (Kumamoto, Japan) gave its approval for their participation in the study (No. 1878).
: Not applicable.
: The authors declare that they have no competing interests.