Kidera, Nobuyuki https://orcid.org/0000-0003-4427-7549
Ishikawa, Tomonori https://orcid.org/0000-0002-1012-1557
Kawamura, Toshihiro https://orcid.org/0000-0002-3443-4304
Miyasaka, Naoyuki https://orcid.org/0000-0002-4713-8352
Article History
Received: 6 June 2026
Accepted: 21 July 2026
First Online: 25 July 2026
Declarations
Ethics approval and consent to participate: All procedures were conducted in compliance with the ethical standards of the responsible committee on human experimentation (institutional and national) and the 1964 Helsinki Declaration and its later amendments. This retrospective study was approved by the Clinical Ethics Committee of Denentoshi Ladies Clinic (25030731). Informed consent was obtained from all participants.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.