Zhu, Yue
Liang, Dapeng
Liu, Tiansen
Song, Yazhi
Funding for this research was provided by:
Natural Science Foundation of China (71774039)
Philosophy and Social Science Research Planning Project of Heilongjiang Province (19JLC117)
National Social Science Fund of China (19BJY53)
Article History
Received: 11 February 2020
Accepted: 17 June 2020
First Online: 15 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.