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Article History

Received: 13 October 2023

Revised: 7 December 2023

Accepted: 13 December 2023

First Online: 1 May 2024

Ethics declaration

: The authors declare no conflict of interest. This project was registered as a service evaluation within Birmingham Children's Hospital - as it evaluated existing data, it therefore did not require ethical approval. Consent to participate was not required for retrospective data collection.

: Data availability

: Data available upon request.