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Authors
Shi, Congrong
Guo, Ying
Ma, Hanqiao
Zhang, Manhua
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Funding
Funding for this research was provided by:
Beijing Municipal Social Science Foundation (16JDGLA029)
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Article History
First Online: 27 May 2019
Compliance with Ethical Standards
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: The authors declare no potential conflicts of interest with respect to the research, authorship, and publication of this article.
