Zhang, Xinhua
Teixeira da Silva, Jaime A.
Niu, Meiyun
Li, Mingzhi
He, Chunmei
Zhao, Jinhui
Zeng, Songjun
Duan, Jun
Ma, Guohua
Article History
Received: 4 July 2016
Accepted: 5 January 2017
First Online: 7 February 2017
Competing interests
: The authors declare no competing financial interests.