Xu, Jun
Liu, Hui
Shao, Weiran
Deng, Kai
Funding for this research was provided by:
National Natural Science Foundation of China (61572286)
National Natural Science Foundation of China (U1609218)
Natural Science Foundation of Shandong Province (2016ZRB01143)
Article History
Received: 30 November 2017
Accepted: 19 January 2018
First Online: 10 February 2018