Pan, Gang
Zheng, Yaoxian
Zhang, Rufei
Han, Zhenjun
Sun, Di
Qu, Xingming
Funding for this research was provided by:
Tianjin Philosophy and Social Science Planning Program under grant (TJSR15-008)
Article History
Received: 26 October 2018
Accepted: 30 January 2019
First Online: 26 February 2019
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