Ding, Yonggang
Li, Shijun
Yu, Wei
Wang, Jun
Liu, Mengjun
Funding for this research was provided by:
National Natural Science Foundation of China (61502350)
Joint Funds of National Natural Science foundation of China (U1536114)
Article History
Received: 18 January 2018
Revised: 4 February 2018
Accepted: 7 February 2018
First Online: 3 March 2018