Funding for this research was provided by:
Research Trainees Coordinating Centre (CDRF 2013-04-024)
Article History
Received: 6 July 2020
Accepted: 14 August 2020
First Online: 24 August 2020
Ethics approval and consent to participate
: Ethical approval for the study was granted through the NHS National Research Ethics Service Committee for London by the Stanmore Research Ethics Committee (Ref: 14/LO/1209). Participants provided written or verbal consent (witnessed and signed) to participate in the study.
: The authors consented to publication.
: The authors have no competing interests.