He, Changqing
Gu, Jibao
Wu, Wei
Zhai, Xuesong
Song, Jun
Funding for this research was provided by:
National Natural Science Foundation of China (71371177, 61300060)
Ministry of Education Project of Humanities and Social Sciences (13YJA880020)
Anhui provincial research projects (2015zdjy115, SK2015A632)