Fukui, Takayuki
Kato, Katsuhiko
Okasaka, Toshiki
Kawaguchi, Koji
Fukumoto, Koichi
Nakamura, Shota
Hakiri, Shuhei
Ozeki, Naoki
Yokoi, Kohei
Article History
Received: 2 May 2017
Accepted: 28 July 2017
First Online: 2 September 2017
Compliance with ethical standards
:
: This work was not supported by any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
: The authors have declared that no conflict of interest exists.