Inoue, Taihei
Nakaura, Takeshi
Yoshida, Morikatsu
Yokoyama, Koichi
Uetani, Hiroyuki
Oda, Seitaro
Utsunomiya, Daisuke
Kitajima, Mika
Harada, Kazunori
Yamashita, Yasuyuki
Article History
Received: 17 November 2017
Accepted: 11 January 2018
First Online: 23 February 2018
Compliance with ethical standards
:
: No funding was received for this study.
: The authors declare that they have no conflict of interest.
: All procedures performed in the 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.
: For this type of study formal consent is not required.