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Authors
Irie, Toshiyuki
Ishibashi, Osamu
Kuramochi, Masashi
Ichimura, Hideo
Endo, Katsuyuki
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Article History
Received: 27 December 2022
Accepted: 29 June 2023
First Online: 4 July 2023
Declarations
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: The retrospective study protocol was approved by the Review Board of Mito Kyodo General Hospital (IRB 22 − 18) and that of Hitachi General Hospital (IRB 2022-86), in accordance with the Declaration of Helsinki Ethical Principles for Medical Research involving human subjects. The Review Board of Mito Kyodo General Hospital and the Review Board of Hitachi General Hospital waived informed consent for disclosure of this study due to the retrospective nature of this study and minimal expected risk to subjects.
: There are no conflicts of interests in any authors. There is no financial support to disclose in this study.
