Dong, Shuo
Yan, Jun
Xu, Haitao
Duan, Yabing
Liu, Chun
Article History
Received: 7 August 2018
Accepted: 1 April 2019
First Online: 27 April 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.Informed consent was obtained from all patients, parents’ guardians in the study. Our manuscript doesn’t contain any individual person’s data in any form.
: Not applicable.
: The authors declare that they have no conflict of interest.
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