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Article History

Received: 30 June 2022

Accepted: 30 November 2022

First Online: 11 January 2023

Declarations

:

: This project was approved by the North Node Privacy Advisory Committee (NNPAC) (project ID: 6–063-21). NNPAC provides researchers with streamlined access to NHS Grampian data for research purposes and committee approval incorporates approvals from: the project sponsor, institutional ethics committee, the local Caldicott Guardian, and NHS Research & Development. It was not practicable to obtain informed consent from individual patients for this research which uses electronic patient records. Use of this pseudonymised unconsented patient information received ethical approval from the North Node Privacy Advisory Committee as detailed above. This research was conducted in a safe haven which adheres to the principles and standards outlined in the Charter of Safe Havens in Scotland [CitationRef removed] to ensure patient identity and privacy was protected. All research methods using human data were performed in accordance with the Declaration of Helsinki.

: Not applicable.

: The authors declare that they have no competing interests.