Funding for this research was provided by:
the Pearl River S&T Nova Programme of Guangzhou (201710010086)
Guangzhou Science Technology and Innovation Commission (201607010395)
Natural Science Foundation of Guangdong Province (2016A030313496)
National Natural Science Foundation of China (81602199)
Text and Data Mining valid from 2018-10-03
Received: 28 March 2018
Accepted: 21 September 2018
First Online: 3 October 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Guangzhou Women and Children’s Medical Center (Guangzhou, China). Written informed consent was obtained from the parents of the participants or their legal guardians for the use of their children’s medical data and biological samples. All patient records/data were anonymized and de-identified prior to analysis.
: Not applicable.
: The authors declare that they have no competing interests.
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