He, Bingsheng
Yuan, Xiaoming
Funding for this research was provided by:
National Natural Science Foundation of China (10471056)
NSFC/RGC Joint Research Scheme (N_PolyU504/14)
Research Grants Council, University Grants Committee (HKBU 12313516)
Article History
Received: 4 February 2017
First Online: 6 March 2018