Li, Shui-Ming
Liu, Wan-Ting
Yang, Fang
Yi, Qi-Jian
Zhang, Shuai
Jia, Hong-Ling http://orcid.org/0000-0003-4707-0949
Funding for this research was provided by:
the National Natural Science Foundation of China (81500275)
Guangdong Natural Science Foundation (2016A030313080)
the Fundamental Research Funds for the Central Universities (21616323)
Article History
Received: 15 April 2018
Accepted: 17 December 2018
First Online: 17 January 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee at Guangzhou Women and Children’s Medical Center (trial no. 077 2013). Written informed consent for participation in this study was obtained by each child participants’ legal guardian on their behalf. A copy of the written consent is available for review by the Editor of this journal.
: Not applicable.
: The authors declare that they have no competing interests.
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