Document is current

Article History

Received: 8 October 2021

Accepted: 12 May 2022

First Online: 25 May 2022

Declarations

:

: All methods were performed in accordance with the transparent reporting of a multivariable prediction model for individual prognosis or diagnosis (TRIPOD) guidelines and regulations. The use of the questionnaire survey, records, and study results were approved by the Biomedical Ethics Committee of the School of Medicine, Xi’an Jiaotong University (No. 2021–1525). After detailing our study, informed consent was obtained from all participants or their legal guardians for those below 16 years old.

: Not applicable.

: The authors declare that they have no competing interests.