Yang, Junyuan
Chen, Yuming
Xu, Fei
Funding for this research was provided by:
National Natural Science Foundation of China (61573016,61203228,11371313,11241005)
China Sponsorship Council (201308140016)
Natural Sciences and Engineering Research Council of Canada
Article History
Received: 14 October 2015
Revised: 3 March 2016
First Online: 23 March 2016
Free to read: This content has been made available to all.