Akazawa, Hidemasa https://orcid.org/0009-0004-1123-7991
Hagiya, Hideharu
Koyama, Toshihiro
Otsuka, Fumio
Funding for this research was provided by:
Okayama University
Article History
Received: 25 August 2023
Accepted: 16 October 2023
First Online: 17 January 2024
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: The authors assert that all procedures contributing to this work comply with the Helsinki Declaration of 1975 (as revised in 2008) as well as the ethical standards of the relevant national and institutional committees on human experimentation. As the study involved a retrospective examination of anonymized open-source data, informed consent was not required. The Okayama University Ethics Institutional Review Board granted ethical approval (no. 1910-009).