Zhou, Na http://orcid.org/0000-0001-6953-1617
Zhu, Haihua
Chen, Yadong
Jiang, Wen
Lin, Xiaolong
Tu, Yan
Chen, Dingwan
Chen, Hui
Funding for this research was provided by:
Department of Education of Zhejiang Province (Y201432178)
the Public Science and Technology Research Funds Project (201502002)
Article History
Received: 25 February 2018
Accepted: 18 December 2018
First Online: 10 January 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Chinese Stomatological Association (NO.2014–003). Written informed consent was obtained from parents or guardians for minors to participate in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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