Song, Shaoxiu
Xu, Yongsheng
Funding for this research was provided by:
Program of Tianjin Science and Technology Plan (21JCYBJC00430)
Tianjin Science and Technology Program (20JCZXJC00170)
Article History
Received: 21 March 2023
Accepted: 13 July 2023
First Online: 20 July 2023
Declarations
:
: 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 conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study was approved by the Ethics Committee of the Tianjin Children’s Hospital (No. 2021- KY -05), the requirement for informed consent was waived by the Ethics Committee of the Tianjin Children’s Hospital because of the retrospective nature of the study.
: Not applicable.
: The authors declare no competing interests.