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Article History
Received: 2 November 2020
Accepted: 25 April 2021
First Online: 22 June 2021
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was provided by the Institutional Review Board of the Children’s Hospital of Chongqing Medical University ([2019], No. 167). Informed consent was obtained from the parent or guardian of all participants.
Free to read: This content has been made available to all.
