Cui, Jiantao
Fu, Jing
Li, Lei
Chen, Weiwei
Meng, Zhaojun
Su, Han
Yao, Yao
Dai, Wei
Article History
Received: 26 January 2021
Accepted: 23 September 2021
First Online: 12 October 2021
Declarations
:
: The protocols in this study were approved by the Institutional Review Board of Beijing Tongren Hospital, Capital Medical University (TRECKY2019–146), and adhere to the principles of the Declaration of Helsinki. Written informed consent was obtained from a parent or legal guardian of each child prior to the examinations.
: Not applicable.
: The authors declare that they have no competing interests.