Yamamoto, Hirofumi
Wu, Xin
Nakanishi, Hiroyuki
Yamamoto, Yuki
Uemura, Mamoru
Hata, Taishi
Nishimura, Junichi
Takemasa, Ichiro
Mizushima, Tsunekazu
Sasaki, Jun-Ichi
Imazato, Satoshi
Matsuura, Nariaki
Doki, Yuichiro
Mori, Masaki
Article History
Received: 5 June 2014
Accepted: 24 November 2014
First Online: 13 January 2015
Competing interests
: The authors declare no competing financial interests.