Sinkala, Alinani
Ngala, Elvis Mbiydzenyuy
Mandona, Emmanuel
Lungu, Sandra
Article History
Received: 8 February 2026
Accepted: 18 May 2026
First Online: 4 June 2026
Declarations
Ethics approval and consent to participate: Ethical approval for this study was obtained from the National Health Research and Training Institute Research Ethics Committee (NHRTREC/2040/11/25) and relevant hospital authorities. The study was a retrospective review of routinely collected clinical records of pediatric patients, with no direct participant contact and no extraction of identifiable personal information.All includedparticipants were minors. The requirement for informed consent from parents orlegal guardians was reviewed and formally waived by the National HealthResearch and Training Institute Research Ethics Committee (NHRTREC/2040/11/25)in accordance with national ethics guidance for minimal-risk retrospectiverecord reviews. Confidentiality was maintained through data de-identificationand secure data handling procedures.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.