Yasui, Takeshi
Ichikawa, Ryuji
Hsieh, Yi-Da
Hayashi, Kenta
Cahyadi, Harsono
Hindle, Francis
Sakaguchi, Yoshiyuki
Iwata, Tetsuo
Mizutani, Yasuhiro
Yamamoto, Hirotsugu
Minoshima, Kaoru
Inaba, Hajime
Article History
Received: 8 February 2015
Accepted: 1 April 2015
First Online: 2 June 2015
Competing interests
: The authors declare no competing financial interests.