Funding for this research was provided by:
National Natural Science Foundation of China (81741054)
Science and Technology Support Program of Jiangsu Province (Social Development BE2016675)
Natural Science Foundation of Jiangsu Province (BK20171217)
Key talent of women’s and children’s health of JiangSu province (FRC201738)
SuZhou clinical key disease diagnosis and treatment technology foundation (LCZX201611)
Received: 14 May 2018
Accepted: 13 September 2018
First Online: 10 October 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board at the Children’s Hospital of Soochow University, and performed in accordance with the Declaration of Helsinki. Informed parental consent was obtained at enrollment.
: Not applicable.
: The authors declare that they have no competing interests.
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