Yang, Dingfeng
Yao, Wei
Yan, Yanci
Qiu, Wujie http://orcid.org/0000-0001-7332-9171
Guo, Lijie
Lu, Xu
Uher, Ctirad
Han, Xiaodong
Wang, Guoyu
Yang, Tao
Zhou, Xiaoyuan
Article History
Received: 16 January 2017
Revised: 8 March 2017
Accepted: 9 March 2017
First Online: 9 June 2017
Competing interests
: The authors declare no conflict of interest.