Received: 18 August 2021
Accepted: 14 December 2021
First Online: 10 January 2022
: This study was approved by the King’s College London Ethics Committee (Reference BDM/12/13–122). Written consents were obtained from all participants.
: The consent included a section that specifically asked for permission for the anonymised research data to be published from the participants.
: The authors declare that they have no competing interests.