Zhang, B.
Wang, J.
Wu, B.
Guo, X. W.
Wang, Y. J.
Chen, D.
Zhang, Y. C.
Du, K.
Oguzie, E. E.
Ma, X. L.
Funding for this research was provided by:
National Natural Science Foundation of China (51390473)
Article History
Received: 30 September 2017
Accepted: 4 June 2018
First Online: 2 July 2018
Competing interests
: The authors declare no competing interests.