Takahagi, Kotaro
Uehara-Yamaguchi, Yukiko
Yoshida, Takuhiro
Sakurai, Tetsuya
Shinozaki, Kazuo
Mochida, Keiichi
Saisho, Daisuke
Article History
Received: 26 October 2015
Accepted: 19 August 2016
First Online: 12 September 2016
Competing interests
: The authors declare no competing financial interests.