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Article History

Received: 3 May 2022

Accepted: 9 December 2022

First Online: 24 December 2022

Declarations

:

: This was a retrospective, single-center study, all usage data were anonymous, the requirement for informed consent was waived, and the study was conducted in accordance with the Declaration of Helsinki and with approval from the Ethics Committee of The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health (Approval Number 2021-IRB-226).

: Not applicable.

: No financial or nonfinancial benefits have been received or will be received from any party related directly or indirectly to the subject of this article.