Chen, Di
Liu, Xi
Yang, Yiping
Yang, Hongjun
Lu, Peng
Funding for this research was provided by:
National Natural Science Foundation of China (81303152)
State Key Program of National Natural Science Foundation of China (81330086)
Article History
Received: 10 March 2015
Accepted: 20 August 2015
First Online: 16 September 2015