Funding for this research was provided by:
Health and Social Care Volunteering Fund (2013/National/055)
Received: 8 October 2019
Accepted: 9 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: This study was approved by the Health and Human Science Ethics Committee at the University of Hertfordshire (Protocol number: LMS/SF/UH/00091 (2)). Written informed consent was obtained from all subjects.
: Not applicable.
: KR is Chief Executive of HENRY and DS was the Policy and Communication Manager. NH and TW have received payment from HENRY for consultancy work. LE has no conflicts of interest.