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Authors
Shi, Zhan
He, Liguo https://orcid.org/0000-0002-1781-6570
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Funding
Funding for this research was provided by:
National Social Science Foundation of China (17BSH011)
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Article History
First Online: 10 December 2019
Compliance with Ethical Standards
: The study was approved by the ethics committee of Shenzhen University and carried out in compliance with the Declaration of Helsinki. Participants gave written informed consents.
: Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no conflict of interest.
