Funding for this research was provided by:
Economic and Social Research Council (ES/T005815/1)
National Institute for Health Research (NIHR) Health Technology Assessment (HTA) programme grant (13/04/33)
National Institute for Health Research (NIHR) Biomedical Research Centre based at Imperial College Healthcare NHS Trust and Imperial College London
Received: 21 January 2021
Accepted: 13 April 2021
First Online: 7 May 2021
: The original data were collected following ethical review by the National Research Ethics Service (NRES) Committee London – Riverside Research Ethics Committee (REC reference: 14/LO/2071). Written informed consent for study participation was obtained from all participants at each phase of the study. The current study was conducted following ethical review by the Research Ethics Committee of Faculty of Education, University of Cambridge.
: Not applicable.