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Article History

Received: 24 June 2022

Accepted: 22 August 2022

First Online: 3 September 2022

Declarations

:

: This study was registered and approved by our local clinical effectiveness team (Clinical Effectiveness Department, Sandwell General Hospital: reference number: 1595). As this was a retrospective anonymized study, as per our local protocol from our Clinical Effectiveness Department, and as per national guidelines from the National Code of Clinical Research, and the Health Research Authority (HRA), this study has ethical approval exemption and no patient consent was required for participation. All procedures were completed prior to the design of this study. Patients were diagnosed and treated according to local guidelines and agreements and written consent from patients was acquired prior to all procedures as clinically indicated. This study does not report on the use of new or experimental protocols.

: Not applicable.

: All authors have no conflict of interest in the production of this manuscript. There are no external funders that have played a role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.