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Article History

Received: 27 March 2024

Accepted: 2 May 2024

First Online: 20 May 2024

Declarations

:

: Enyu Imai and Atsuhiro Imai declare no conflicts of interest.

: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee at which the studies were conducted (Hyogo Medical Association IRB approval number R4-005) and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: As this was a retrospective study, we used an opt-out approach and waived the requirement for written informed consent.