Funding for this research was provided by:
the Scientific Research Foundation of the Department of Science and Technology of Jilin Province (20190701050GH)
Article History
Received: 29 July 2020
Revised: 3 March 2021
Accepted: 8 March 2021
First Online: 23 March 2021
Declarations
:
: This study was approved by the Ethics Committee for the First Hospital of Jilin University.
: Written informed consent was obtained from patients’ parents included in the study.
: Patients’ parents signed informed consent regarding publishing their data.
: The authors declare no competing interests.