Li, Xiao
Wang, Ying
Li, Ning
Han, Minyu
Tang, Yinggan http://orcid.org/0000-0002-7440-1742
Liu, Fucai
Funding for this research was provided by:
National Natural Science Foundation of China (61273260)
Specialized Research Fund for the Doctoral Program of Higher Education of China (20121333120010)
China Postdoctoral Science Foundation (2013M530888,2014T70229)
Natural Science Foundation of Hebei Province (F2014203208)