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Authors
Katano, Takumi https://orcid.org/0000-0001-7649-7090
Sanada, Yukihiro
Hirata, Yuta
Yamada, Naoya
Okada, Noriki
Onishi, Yasuharu
Matsumoto, Koshi
Mizuta, Koichi
Sakuma, Yasunaru
Sata, Naohiro
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Article History
Accepted: 9 September 2019
First Online: 18 September 2019
Compliance with ethical standards
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: No commercial organizations. The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional committee (the Ethics Committees of Jichi Medical University (Ethics Committee Approval Case Number 15-106)) 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.
