Ogihara, Yusuke
Yukawa, Hiroshi
Kameyama, Tatsuya
Nishi, Hiroyasu
Onoshima, Daisuke
Ishikawa, Tetsuya
Torimoto, Tsukasa
Baba, Yoshinobu
Article History
Received: 11 August 2016
Accepted: 30 November 2016
First Online: 6 January 2017
Competing interests
: The authors declare no competing financial interests.