Funding for this research was provided by:
Natural Science Foundation of Jilin Province (81400862)
National Natural Science Foundation of China (81401606)
Key Project in the Science & Technology Program of Sichuan Province (2019YFS0322)
Science Foundation for The Excellent Youth Scholars of Sichuan University (2015SU04A15)
1•3•5 Project for Disciplines of Excellence-Clinical Research Incubation Project, West China Hospital of Sichuan University (2019HXFH056, 2020HXFH048)
Received: 25 August 2020
Accepted: 26 October 2020
First Online: 7 November 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the West China Hospital of Sichuan University. Written informed consent was obtained from the patients’ parents, according to the provisions of the Declaration of Helsinki.
: Written informed consent for publication this study was obtained from the patients’ parents. Copies of the signed informed consent forms are available for review by the Series Editor.
: The authors declare that they have no competing interests, either financial or non-financial, that could be perceived as prejudicing the impartiality of the research reported.