Wu, L. Z.
Liu, G. G.
Wang, L. C.
Zhang, L. M.
Li, B. E.
Li, B.
Funding for this research was provided by:
National Basic Research Program (2013CB733202, 2012CB026104)
Research Grants Council, University Grants Committee (C6012-15G)
National Natural Science Foundation of China (CN) (411722807)