Takeshita, Toru
Matsuo, Kazuki
Furuta, Michiko
Shibata, Yukie
Fukami, Kaoru
Shimazaki, Yoshihiro
Akifusa, Sumio
Han, Dong-Hung
Kim, Hyun-Duck
Yokoyama, Takeshi
Ninomiya, Toshiharu
Kiyohara, Yutaka
Yamashita, Yoshihisa
Article History
Received: 25 July 2014
Accepted: 17 October 2014
First Online: 11 November 2014
Competing interests
: The authors declare no competing financial interests.