Mei, Gang http://orcid.org/0000-0003-0026-5423
Xu, Nengxiong http://orcid.org/0000-0003-2576-1546
Xu, Liangliang
Funding for this research was provided by:
National Natural Science Foundation of China (40602037, 40872183, 11602235)
China Postdoctoral Science Foundation (2015M571081)
Fundamental Research Funds for the Central Universities (2652015065)