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Authors
Mikoshiba, Takuya
Sakamoto, Koji https://orcid.org/0000-0003-1071-3058
Shinden, Seiichi
Shimanuki, Marie
Nakayama, Rie
Okada, Takashi
Ozawa, Hiroyuki
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Article History
Received: 11 January 2022
Accepted: 5 April 2022
First Online: 29 April 2022
Declarations
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: The authors declare that they have no conflicts of interest.
: The study complied with the standards of the Declaration of Helsinki and the current ethical guidelines. The study was approved by the Institutional Review Board and Research Ethics Committee of Saiseikai Utsunomiya Hospital (reference number: 2019–53). The requirement for informed consent was waived because of the retrospective nature of the analysis.
: Not applicable.
