Oshima, Ryusei
Kotani, Akira http://orcid.org/0000-0002-0113-3353
Kuroda, Minpei
Yamamoto, Kazuhiro
Mimaki, Yoshihiro
Hakamata, Hideki
Article History
Received: 24 July 2017
Accepted: 25 November 2017
First Online: 7 December 2017
Compliance with ethical standards
:
: The authors declare no conflict of interest.