Received: 13 December 2022
Accepted: 1 May 2023
First Online: 5 June 2023
: This study was conducted in accordance with the declaration of Helsinki. This study was conducted with approval from the Ethics Committee of Hebei Yanda Hospital. Written informed consent was obtained from all parents/local guardians.
: Written informed consent for publication was obtained.
: The authors declare that they have no competing interests.