Yumoto, Hirokatsu
Koyama, Takahisa
Matsuyama, Satoshi http://orcid.org/0000-0001-9567-9690
Kohmura, Yoshiki
Yamauchi, Kazuto
Ishikawa, Tetsuya
Ohashi, Haruhiko
Article History
Received: 10 August 2017
Accepted: 13 November 2017
First Online: 27 November 2017
Competing Interests
: The authors declare that they have no competing interests.