Wang, Zhigang
Li, Huilai
Funding for this research was provided by:
China Postdoctoral Science Foundation (2015M551168)
Natural Science Foundation of Heilongjiang Province of China (A201410)
National Natural Science Foundation of China (11271063)
Article History
Received: 23 October 2015
Accepted: 6 January 2016
First Online: 13 January 2016