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Authors
Iwasaki, Masanori https://orcid.org/0000-0002-7397-8654
Kobayashi, Kenji
Aoki, Shuichiro https://orcid.org/0000-0002-1766-4773
Miyamoto, Hirotomo
Imaizumi, Hiroko
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Article History
Received: 8 October 2020
Revised: 16 November 2020
Accepted: 24 November 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the Institutional Review Board/Ethics Committee of Sapporo City General Hospital and the 1964 Helsinki Declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.
