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Authors
Shiba, Shotaro https://orcid.org/0000-0002-7494-531X
Shimizu, Kazumi
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Funding
Funding for this research was provided by:
Shandong Provincial Natural Science Foundation (ZR2017MA043)
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Article History
First Online: 7 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of our institutional and/or national review committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
