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Authors
Kimura, Takehide https://orcid.org/0000-0001-8594-7022
Nakano, Wataru
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Funding
Funding for this research was provided by:
Tsukuba International University Fund for the promotion of research
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Article History
Received: 3 November 2020
Accepted: 8 February 2021
First Online: 22 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures were approved by the Ethics Committee of Tsukuba International University (approval number: 29-30).
: All participants provided written informed consent in accordance with the tenets of the declaration of Helsinki prior to participation in the study.
: All authors read and approved the final version of this manuscript and consented to submit the manuscript for publication.
