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Authors
Nakamura, Toshiki https://orcid.org/0000-0002-6071-4721
Tamegai, Kazunori
Sakamoto, Takeshi
Sakai, Michinori
Kimura, Masahiko
Hirayama, Takeshi
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Article History
Received: 2 March 2026
Accepted: 20 August 2026
First Online: 29 August 2026
Declarations
Consent for publication: Not applicable.
Ethical approval and consent to participate: All procedures adhered to the principles of the Declaration of Helsinki. This study was approved by the Ibaraki Pharmaceutical Association Ethics Review Committee (Approval Number: 202401). The Committee waived the requirement for written consent because of the retrospective and observational nature of this study. Additionally, this study was conducted using only medical and related information, and no invasive or other interventions were performed on the patients. Consent was obtained by an opt-out procedure, by disclosing information of the study on a website and giving patients the opportunity to refuse participation.
Competing interests: The authors declare no competing interests.
