Liu, TingYu
Yu, BuChin
Kakino, Mamoru
Fujimoto, Hitoshi
Ando, Yasutoshi
Hakuno, Fumihiko
Takahashi, Shin-Ichiro
Article History
Received: 27 July 2016
Accepted: 29 September 2016
First Online: 14 October 2016
Competing interests
: The authors declare no competing financial interests.