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Authors
Tamura, Satoshi
Maruhashi, Takaaki
Kashimi, Fumie
Kurihara, Yutaro
Masuda, Tomonari
Hanajima, Tasuku
Kataoka, Yuichi
Asari, Yasushi
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Article History
Received: 15 December 2020
Accepted: 21 April 2021
First Online: 14 July 2021
Declarations
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: This retrospective observational study involved human participants and was conducted in conformance with the principles of the Declaration of Helsinki and its amendments. The study protocol was approved by the Kitasato University Hospital Ethics Committee (approval no. B20–034), and the approving authority waived the need for informed consent for study participation because of the retrospective design of the study.
: Not applicable.
: None declared.
