Nagai, Kanto http://orcid.org/0000-0002-8996-0299
Muratsu, Hirotsugu
Kanda, Yutaro
Tsubosaka, Masanori
Kamenaga, Tomoyuki
Miya, Hidetoshi
Matsushita, Takehiko
Niikura, Takahiro
Kuroda, Ryosuke
Matsumoto, Tomoyuki
Article History
Received: 20 September 2017
Accepted: 18 April 2018
First Online: 21 April 2018
Compliance with ethical standards
:
: The authors declare no conflicts of interest in association with the present study.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Institutional review board approval for the study was provided by Steel Memorial Hirohata Hospital (no. ZIMU H28-0082).
: Informed consent was obtained from all individual participants included in the study.