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Authors
Kashihara, Jun https://orcid.org/0000-0002-4968-0436
Sakamoto, Shinji
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Funding
Funding for this research was provided by:
Japan Society for the Promotion of Science (17J00920, 16H03741)
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Article History
Received: 6 June 2019
Accepted: 16 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The present study has been performed in accordance with the Declaration of Helsinki, and the protocol of the present study was approved from the Committee of Research Ethics at the Colleges of Humanities and Sciences of the Nihon University (reference number: 29-59). All participants were informed the objective of the study and provided written consent before the investigation.
: Not applicable.
: The authors declare that they have no competing interests.
