Li, Cheng
Peng, Chunxia
Zhang, Chengyue
Li, Ningdong
Article History
Received: 14 August 2022
Accepted: 4 January 2023
First Online: 17 January 2023
Declarations
:
: This study complied with the tenets of the Declaration of Helsinki and was approved by the Ethics Committee of the Beijing Children’s Hospital. Informed consent was obtained from the parents or legal guardians of all subjects in the study.
: Not applicable in the article.
: The authors declare that they have no competing interests.