Received: 9 September 2021
Accepted: 31 January 2022
First Online: 4 February 2022
: 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.