Xu, Kangning
Zhang, Chuke
Dou, Xiaomin https://orcid.org/0000-0003-2583-2244
Ma, Weifang
Wang, Chengwen
Funding for this research was provided by:
National Natural Science Foundation of China (51508025)
National Innovative and Entrepreneurial Training Program for Undergraduate Students (201510022076)
Article History
Received: 21 January 2017
Accepted: 15 May 2017
First Online: 26 May 2017