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Article History

Received: 9 January 2022

Accepted: 18 April 2022

First Online: 10 May 2022

Declarations

:

: The authors have no relevant financial or non-financial interests to disclose.

: All procedures were performed in accord with the ethical standards of the Institutional Review Board of the University of Toyama (Toyama, Japan) and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Formal patient consent was not required for the present retrospective analysis.

: Informed consent was obtained from all individual participants included in the study.