Sun, Xiao-yun
Kang, Feng-ning
Wang, Ming-ming
Bian, Jian-peng
Cheng, Jiu-long
Zou, D. H.
Funding for this research was provided by:
National Natural Science Foundation of China (51274144, 51307112)
Natural Science Foundation of Hebei Province of China (E2014210075)
National Natural Science Foundation of China (CN) (51574250)