Funding for this research was provided by:
National Institute for Health Research (191865)
Article History
Received: 14 October 2019
Accepted: 19 August 2020
First Online: 2 September 2020
Ethics approval and consent to participate
: Ethical approval for this study has been given by Queen Mary Research Ethics Committee (reference number QMERC2017/77). Participant consent and assent has been collected in accordance with its ethical approval. A more detailed description of how consent was given can be found in the methods section of this manuscript.
: Not applicable.
: The authors declare that they have no competing interests.