Wang, Wenlong http://orcid.org/0000-0003-2122-3628
Zhu, Yitang
Yin, Linlin
Deng, Yaoyao
Chu, Guoxian
Liu, Supin
Funding for this research was provided by:
the Cangzhou Science and Technology Research and Development Program (cz151302039)
Article History
Received: 10 June 2020
Accepted: 2 September 2020
First Online: 29 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Protocol was reviewed by Institutional Review Board and the Ethics Committee of the Cangzhou Central Hospital. All procedures performed in studies involving human participants were 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 signed by the parents or guardians of each participant.
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