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Funding
Funding for this research was provided by:
Pharmacovigilance Open Project of Sichuan Center for Food and Drug Evaluation and Safety Monitoring (YWJJ202508)
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Article History
Received: 20 May 2026
Accepted: 17 July 2026
First Online: 25 August 2026
Declarations
Competing interests: All authors declared no competing interests for this work.
Ethics approval: This retrospective study was conducted in accordance with the Declaration of Helsinki and approved by the Ethics Committee of the Children’s Hospital of Chongqing Medical University (No. 202513; approved on January 15, 2025). The requirement for informed consent was waived by the ethics committee due to the retrospective nature of the study and the use of anonymized electronic health record data. All patient information was de-identified prior to analysis to ensure privacy and confidentiality.
