Ogawa, Satoshi
Miyamoto, Koji
Nemoto, Keiichirou
Sawasaki, Tatsuya
Yamane, Hisakazu
Nojiri, Hideaki
Okada, Kazunori
Article History
Received: 18 October 2016
Accepted: 2 December 2016
First Online: 9 January 2017
Competing interests
: The authors declare no competing financial interests.