Maruta, Takanori
Ogawa, Takahisa
Tsujimura, Masaki
Ikemoto, Keisuke
Yoshida, Tomofumi
Takahashi, Hiro
Yoshimura, Kazuya
Shigeoka, Shigeru
Article History
Received: 20 July 2016
Accepted: 24 October 2016
First Online: 22 November 2016
Competing interests
: The authors declare no competing financial interests.