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Authors
Zeng, Songtian
Zhao, Hongxia
Hu, Xiaoyi https://orcid.org/0000-0002-6936-4799
Lee, James D.
Stone-MacDonald, Angela K.
Price, Zachary W.
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Funding
Funding for this research was provided by:
Beijing Social Science Fund (16SRB012)
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Article History
First Online: 1 August 2020
Compliance with Ethical Standards
:
: The authors declare no conflict of interest.
: All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all parents (including mothers and fathers) included in the study.
