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Authors
Chen, Liangwen
Hong, Jialan
Xiong, Dian
Zhang, Luyi
Li, Yuhong
Huang, Shengfu
Hua, Fang http://orcid.org/0000-0002-2438-5924
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (No. 81870756)
Wuhan Young and Middle-aged Medical Talents Training Program (No. [2019] 87)
the Fundamental Research Funds for the Central Universities (2042018kf0129)
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Article History
Received: 7 September 2019
Accepted: 1 July 2020
First Online: 11 July 2020
Ethics approval and consent to participate
: Approval for this study (2018.B13) was obtained from the Medical Ethics Committee of Hospital of Stomatology, Wuhan University. Prior to the questionnaire survey, researchers had obtained permission from headmasters in all participating schools, and written informed consent was sent to parents of each migrant child to explain the content of the survey. Each family returned a consent form.
: Not applicable.
: The authors declare that they have no competing interests.
