Funding for this research was provided by:
National Natural Science Foundation of China (81771991)
National key research and development project (2016YFC1101002)
The science and technology innovation Program of Hunan Province (2019SK1010)
Received: 6 December 2020
Accepted: 17 March 2021
First Online: 31 March 2021
: This study was approved by the Institutional Ethics Committee and written informed consent was obtained from parents or guardians before surgery to allow the use of their data.
: Written informed consent for publication was obtained from all participants.
: There’s no completing interests for this study.