Funding for this research was provided by:
National Institute for Health Research (DRF-2018–11-ST2-030)
Received: 5 October 2020
Accepted: 18 January 2021
First Online: 1 February 2021
Compliance with ethical standards
: IA, NP, AM declared funding from NIHR. All other others declared no conflicts of interest.
: The study, which used routinely collected anonymised data only, was registered at the UHCW research and development team as a service evaluation project (ref. SE0168). In addition, ethical approval was granted by the University of Warwick Biomedical and Scientific Research Ethics Committee (ref. BSREC 09/19-20) on the 11th October 2019.