Jia, Tingting
Kimura, Hideo
Cheng, Zhenxiang
Zhao, Hongyang
Kim, Yoon-Hyun
Osada, Minoru
Matsumoto, Takao
Shibata, Naoya
Ikuhara, Yuichi
Article History
Received: 7 April 2016
Revised: 24 October 2016
Accepted: 20 November 2016
First Online: 17 February 2017
Competing interests
: The authors declare no conflict of interest.