Funding for this research was provided by:
National Institute for Health Research
Medical Research Council
Received: 14 May 2021
Accepted: 14 April 2022
First Online: 11 May 2022
: This study was approved by London Camden and Kings Cross Research Ethics Committee and registered on clinicaltrials.gov (NCT03136120). All patients gave informed consent.
: Not applicable as no patient identifiable data.
: The authors declare that they have no competing interests.