Lv, Xinmiao
Zhao, Siyu
Ning, Zhangchi
Zeng, Honglian
Shu, Yisong
Tao, Ou
Xiao, Cheng
Lu, Cheng
Liu, Yuanyan
Funding for this research was provided by:
National Science Foundation of China (81573569)
National Science Foundation of China (81001623)
National Science Foundation of China (81373773)
Beijing Nova Program (xx2014B073)
Beijing Municipal Natural Science Foundation (7142144)
Article History
Received: 14 July 2015
Accepted: 25 November 2015
First Online: 24 December 2015