Funding for this research was provided by:
Health Foundation (3025, 3025, 3025, 3025, 3025)
Received: 26 February 2021
Accepted: 19 January 2022
First Online: 22 February 2022
: The study followed established ethical principles and received Ethics approval from Camden and Kings Cross NRES Committee (Reference 16/LO/1606) and the Health Research Authority (IRAS No. 211010). Informed consent from all participants was obtained before inclusion into the study. The authors confrm that all methods were performed in accordance with the relevant guidelines and regulations.
: Not Applicable
: The authors declare that they have no competing interests.