Ishimura, Shutaro
Furuhashi, Masato
Mita, Tomohiro
Fuseya, Takahiro
Watanabe, Yuki
Hoshina, Kyoko
Kokubu, Nobuaki
Inoue, Katsumi
Yoshida, Hideaki
Miura, Tetsuji
Article History
Received: 7 August 2014
Accepted: 20 October 2014
First Online: 6 November 2014
Competing interests
: The authors declare no competing financial interests.