Funding for this research was provided by:
Health Education England
Article History
Received: 15 November 2020
Accepted: 25 March 2021
First Online: 9 April 2021
Declarations
:
: Approval was obtained from the Health Research Authority, National Research Ethics Service, NRES Committee London-Queens Square, reference number: 15/LO/0046.Informed written consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare there are no conflicts of interest.