Dibden, Amanda https://orcid.org/0000-0002-0599-9840
Parmar, Dharmishta https://orcid.org/0000-0001-8767-8364
Gabe, Rhian https://orcid.org/0000-0002-0273-3094
Smith, Robert A. https://orcid.org/0000-0003-3344-2238
Moss, Sue M.
Johns, Louise E. https://orcid.org/0000-0003-2837-1682
Duffy, Stephen W. https://orcid.org/0000-0003-4901-7922
Article History
Received: 23 July 2025
Revised: 20 April 2026
Accepted: 2 June 2026
First Online: 26 June 2026
Ethics approval and consent to participate
: All methods were performed in accordance with the relevant guidelines and regulations, including UK GDPR, the Data Protection Act 2018. Ethical approval has been obtained from NRES Committee London - South East – reference number 02/1/064 and the study received approval under Section 251 of the NHS Act 2006 (to access data without informed consent) through the Confidentiality Advisory Group (CAG) – reference [ ]/CAG/0160.
: The authors declare no competing interests.
: All reasonable measures have been taken to protect patient anonymity.