Funding for this research was provided by:
Health Services and Delivery Research Programme (NIHR127234)
Received: 10 August 2020
Accepted: 6 February 2021
First Online: 23 February 2021
Ethics approval and consent to participate
: This study was approved by the University of Hertfordshire Ethics Committee on 16 June 2020 (protocol number: HSK/SF/UH/04185). All trial data will be anonymised by the contributing trial team before it is submitted to the repository.
: Not applicable.
: The authors declare no competing interests.