Funding for this research was provided by:
Arquer Diagnostics Ltd (n/a)
Received: 2 May 2020
Accepted: 28 September 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: Ethical approval was obtained from South Central- Oxford B Research Ethics Committee (REF: 16/SC/0643) and written informed consent obtained from all patients prior to recruitment.
: Not applicable.
: RA and EJC declare that they have no competing interests. RJE has received consultancy fees from Arquer Diagnostics. JS, AK and CN are employees of Arquer Diagnostics, holding share options.