Funding for this research was provided by:
National Natural Science Foundation of China (61403121, 61503082)
Fundamental Research Funds for the Central Universities (2015B20214)
Postgraduate Research & Practice Innovation Program of Jiangsu Province (KYCX17_0541)
Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-aged Teachers and Presidents
the Fundamental Research Funds for the Central Universities (2017B719X14)
the Natural Science Foundation of Fujian Province (016J05145)
the Scientific Research Startup Foundation of Fujian University of Technology (GY-Z15007)
the Fujian Province Outstanding Young Scientific Researcher Training Project (GY-Z160149)
Article History
Received: 15 September 2017
Accepted: 23 May 2018
First Online: 1 June 2018