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Authors
Hasegawa, Yukari
Ueki, Satoshi
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Article History
Received: 18 August 2025
Accepted: 20 November 2025
First Online: 25 November 2025
Declarations
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: The retrospective study was approved by the Institutional Review Board/Ethics Committee at Niigata University (Registration No. 2023-0031) and followed the tenets of the Declaration of Helsinki. Because of this study’s retrospective nature, a formal consent process was replaced with a written opt out form. None of the parents or the legal guardians of any participant under the age of 16 signed and returned the opt out form.
: Not applicable.
: The authors declare no competing interests.
