Hao, Jia
Zhou, Yongjia
Zhao, Qiangfu
Xue, Qing
Funding for this research was provided by:
National Natural Science Foundation of China (51505032)
Natural Science Foundation of Beijing Municipality (CN) (BJNSF 3172028)
Article History
Received: 18 January 2017
Accepted: 24 July 2017
First Online: 8 August 2017