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Authors
Saito, Hiroaki
Kono, Yusuke
Murakami, Yuki
Shishido, Yuji
Kuroda, Hirohiko
Matsunaga, Tomoyuki
Fukumoto, Yoji
Osaki, Tomohiro
Ashida, Keigo
Fujiwara, Yoshiyuki
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Article History
First Online: 20 February 2018
Compliance with ethical standards
:
: 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 Research Committee and with the 1964 Helsinki Declaration and its later amendments or with comparable ethical standards.
