Article History
Received: 24 November 2021
Accepted: 2 August 2022
First Online: 18 August 2022
Competing interests
: The authors declare no competing interests.
: Ethical approval was not needed for the present study because this study involves a routinely available, functionally anonymised, secondary dataset (with data subjects having consented to secondary research use).
: This article does not contain any studies with human participants performed by any of the authors.