Xu, Jun http://orcid.org/0000-0001-7101-4280
Kong, Fan
Funding for this research was provided by:
National Natural Science Foundation of China (51608186)
Natural Science Foundation of Hunan Province (2017JJ3016)
Fundamental Research Funds for the Central Universities (531107040890)
Article History
Received: 9 January 2018
Revised: 6 April 2018
Accepted: 17 May 2018
First Online: 5 June 2018