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Authors
Fujinaga, Shuichiro http://orcid.org/0000-0002-2957-3705
Sakuraya, Koji
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Article History
Received: 31 May 2018
Accepted: 4 June 2018
First Online: 29 June 2018
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 the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
