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Authors
Horiguchi, Akio https://orcid.org/0000-0002-7678-6375
Ojima, Kenichiro
Shinchi, Masayuki
Hirano, Yusuke
Hamamoto, Koetsu
Ito, Keiichi
Asano, Tomohiko
Takahashi, Eiji
Kimura, Fumihiro
Azuma, Ryuichi
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Article History
Received: 29 August 2020
Accepted: 19 November 2020
First Online: 3 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: For this type of study, formal consent is not required.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
