Liu, Yang http://orcid.org/0000-0002-5923-7411
Shi, Lin http://orcid.org/0000-0001-7578-7440
Lin, Yao
Zhang, Mingming
Chen, Fangfang
Li, Aijie
Liu, Yanyan
Article History
Received: 21 May 2021
Revised: 17 September 2021
Accepted: 1 October 2021
First Online: 9 January 2022
Competing interests
: The authors declare no competing interests.
: The study protocol was approved by the Ethics Committee of the Capital Institute of Pediatrics, and written informed consent was obtained from the patients’ legal guardians.