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Authors
He, Wuming http://orcid.org/0000-0002-5257-4757
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Funding
Funding for this research was provided by:
Humanity and Social Science Youth Foundation of Ministry of Education of China (18YJC880021)
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Article History
First Online: 8 March 2019
Compliance with Ethical Standards
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: There is no conflict of interest.
: The procedure performed in this study involving human participants was in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
