Article History
Accepted: 17 May 2022
First Online: 14 July 2022
Declarations
:
: The authors have no conflicts of interest to declare.
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The study was approved by the Ethics Committee of Shandong Provincial Hospital Affiliated to Shandong University (SWYX No. 2022-016). All procedures performed in this study involving human participants were in accordance with the Declaration of Helsinki (as revised in 2013). Written informed consent was taken from Written informed consent was taken from parents/guardians of the patients.