Funding for this research was provided by:
National Natural Science Foundation of China (81400862, 81401606)
Key Project in the Science & Technology Program of Sichuan Province (2019YFS0322)
Science Foundation for The Excellent Youth Scholars of Sichuan University (2015SCU04A15)
1·3·5 Project for Disciplines of Excellence-Clinical Research Incubation Project, West China Hospital of Sichuan University (2019HXFH056, 2020HXFH048)
Article History
Received: 19 March 2021
Accepted: 29 May 2021
First Online: 8 June 2021
Declarations
:
: 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 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 nonfinancial, that could be perceived as prejudicing the impartiality of the research reported.