Document is current

Article History

Received: 14 December 2022

Accepted: 20 March 2023

First Online: 29 March 2023

Declarations

:

: 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. This study was in line with the laws and regulations of medical research and has been approved by the Ethic Committee of the Beijing Shijitan Hospital of Capital Medical University. Informed written consent was obtained from all of the children and/or parents before study inclusion.

: Not Applicable.

: The authors declare that they have no competing interests to disclose.