Guo, Haibin
Mendrikahy, Jean Nestor
Xie, Lei
Deng, Junfeng
Lu, Zijun
Wu, Jinwen
Li, Xiang
Shahid, Muhammad Qasim
Liu, Xiangdong
Article History
Received: 1 July 2016
Accepted: 30 November 2016
First Online: 10 January 2017
Competing interests
: The authors declare no competing financial interests.