Hosoda, Kouichi
Shimomura, Hirofumi
Wanibuchi, Kiyofumi
Masui, Hisashi
Amgalanbaatar, Avarzed
Hayashi, Shunji
Takahashi, Takashi
Hirai, Yoshikazu
Article History
Received: 29 September 2014
Accepted: 4 February 2015
First Online: 9 March 2015
Competing interests
: The authors declare no competing financial interests.