Lyu, Lihua
Lin, Huidong
Huang, Hua
Article History
Received: 19 August 2022
Accepted: 31 October 2022
First Online: 11 November 2022
Declarations
:
: This retrospective study was approved by the Ethics Committee of Guangxi Medical University (approval number: Shen 20210148). Informed consent was obtained from the parents/guardians of the subjects for all studies. Our study have conformed to the STROBE guidelines. We confirm that all methods were carried out in accordance with relevant guidelines and regulations in the declaration. Our study performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.