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Authors
Uraguchi, Kensuke https://orcid.org/0000-0003-1235-4933
Hamada, Kenta
Matsumoto, Naomi
Mitsuhashi, Toshiharu
Ando, Mizuo
Fujimoto, Kenji
Hayase, Shunsaku
Yorifuji, Takashi
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Funding
Funding for this research was provided by:
Okayama University
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Article History
Received: 2 May 2026
Accepted: 14 July 2026
First Online: 10 August 2026
Declarations
Ethical statement: This study was conducted in accordance with the principles of the Declaration of Helsinki. The study was approved by the Institutional Review Board of Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences (approval number: 2201-012). Individual-level informed consent was waived owing to the use of anonymized administrative data; participants were informed of the study through publicly accessible opt-out procedures.
Conflict of interest: The authors declare that they have no conflict of interest.
