Funding for this research was provided by:
National Natural Science Foundation of China (81401606, 81400862)
Science Foundation for Excellent Youth Scholars of Sichuan University (2015SU04A15)
Key Project in the Science & Technology Program of Sichuan Province (2019YFS0322)
1•3•5 Project for Disciplines of Excellence–Clinical Research Incubation Project, West China Hospital of Sichuan University (2019HXFH056, 2020HXFH048)
Received: 1 September 2020
Accepted: 20 April 2021
First Online: 30 April 2021
: 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 the publication of 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.