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Authors
Itou, Chihiro https://orcid.org/0000-0002-2884-3515
Arai, Yasuaki
Sone, Miyuki
Sugawara, Shunsuke
Kimura, Shintaro
Onishi, Yasuyuki
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Article History
Received: 19 November 2022
Accepted: 26 April 2023
First Online: 15 May 2023
Declarations
:
: The authors declare that they have no conflict of interest.
: Consent for publication is not required owing to the nature of the study.
: All procedures performed in this study were in accordance with the ethical standards of the institutional committee (National Cancer Center Hospital) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the institutional review board of our institution (# 2022–118).
: The need for informed consent was waived owing to the retrospective nature of the study.
