Funding for this research was provided by:
Natural Science Foundation of Anhui Province (1808085MH288)
Article History
Received: 29 March 2022
Accepted: 2 June 2022
First Online: 25 June 2022
Declarations
:
: The authors have no conflicts of interest to disclose.
: This is an observational study. The Research Ethics Committee of the Affiliated Provincial Pediatric Hospital of Anhui Medical University has confirmed that no ethical approval is required.
: Written informed consent was obtained from the parents.
: The authors affirm that the parents provided informed consent for publication of the present study.