Funding for this research was provided by:
Medical Research Council (MR/J014788/1)
Accepted: 2 August 2021
First Online: 10 August 2021
: This study was approved by the Yorkshire and Humber (Sheffield) Committee of the UK National Research Ethics Service (REC Number 13/YH/0167).
: Participants were enrolled into the study after written informed consent was obtained.
: Not applicable.
: The authors declare no competing interests.