Tsutsumi, Naotaka
Kimura, Takeshi
Arita, Kyohei
Ariyoshi, Mariko
Ohnishi, Hidenori
Yamamoto, Takahiro
Zuo, Xiaobing
Maenaka, Katsumi
Park, Enoch Y.
Kondo, Naomi
Shirakawa, Masahiro
Tochio, Hidehito
Kato, Zenichiro
Article History
Received: 10 July 2014
Accepted: 20 September 2014
First Online: 15 December 2014
Competing interests
: The authors declare no competing financial interests.