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Article History

Received: 16 September 2025

Accepted: 30 June 2026

First Online: 13 July 2026

Declarations

:

: The research was conducted with the approval of the Pediatrics Department and the Research Vice-Chancellor of Ahvaz University of Medical Sciences and in accordance with the World Medical Association Declaration of Helsinki. Given that this study was retrospective, its information was extracted from patient records. Due to the lack of access to the parents of the infants studied, the Ethics Committee of Ahvaz Jundishapur University of Medical Sciences provided a form stating that parental consent was not required. The Medical Ethics Committee of Ahvaz Jundishapur University of Medical Sciences provided the code (IR.AJUMS.HGOLESTAN.REC.1401.155). to authorize the initiation of this study. SMHA: study design and data collection supervision. MAR: writing the manuscript and study design. MD: study design and data analysis. AM: study design and writing of the draft. AKH: data collection. All the authors read and approved the final manuscript.

: Not applicable.

: The authors declare no competing interests.