Yanagisawa, Naoki http://orcid.org/0000-0002-9157-4733
Sugimoto, Nagisa
Arata, Hideyuki
Higashiyama, Tetsuya
Sato, Yoshikatsu
Article History
Received: 3 February 2017
Accepted: 31 March 2017
First Online: 3 May 2017
Competing Interests
: The authors declare that they have no competing interests.