Received: 14 December 2021
Accepted: 17 March 2022
First Online: 29 March 2022
: This study was approved by the ethics committee of Hong Hui hospital, Xi’an Jiaotong University. All parents or guardians of the minors provided written informed consent prior to participation in the study. All methods were carried out in accordance with relevant guidelines and regulations (declaration of Helsinki).
: All patients or guardians of these children signed the informed consent before surgery and provided the consent to publish and report individual clinical data.
: The authors declare that they have no competing interests.