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Article History

Received: 21 March 2024

Accepted: 8 August 2024

First Online: 29 August 2024

Declarations

:

: The authors declare that they have no competing interests.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Bioethics Committee of the Hue University of Medicine and Pharmacy, Vietnam (No. H2018/16).

: Written informed consent was obtained from all children and parents/caregivers.

: Not applicable.