Sun, Yanfeng
Li, Mo
Song, Gang
Lei, Fumin
Li, Dongming http://orcid.org/0000-0003-2759-3435
Wu, Yuefeng
Funding for this research was provided by:
National Natural Science Foundation of China (31330073)
National Natural Science Foundation of China (31672292)
Natural Science Foundation of the Department of Education, Hebei Province (YQ2014024)