Su, Han
Fu, Jing
Wu, Xiao
Sun, Ali
Zhao, Bowen
Hong, Jie
Article History
Received: 9 September 2021
Accepted: 31 January 2022
First Online: 4 February 2022
Declarations
:
: The study adhered to the Declaration of Helsinki. Ethics committee approval was obtained from the Institutional Review Board of Beijing Tongren Hospital, Capital Medical University (TRECKY2018–006). All parents or guardians signed the informed consents and we got informed assents from all pediatric patients.
: Not applicable.
: The authors declare that they have no competing interests.