Funding for this research was provided by:
Received: 23 March 2021
Accepted: 23 December 2021
First Online: 20 January 2022
: Ethical approval granted by the South Central - Berkshire Research Ethics Committee.IRAS PROJECT ID 281958, REC Reference 20/SC/0158, EudraCT Number: 2020-001209-22.All participants must provide informed consent prior to enrolment in the trial.
: Not applicable
: CCB and FDRH are the co-PIs for PRINCIPLE; CC, DS, SM and AM are employees of Health Data Research UK.