Received: 17 June 2020
Accepted: 23 September 2020
First Online: 14 October 2020
Ethics approval and consent to participate
: This study was deemed to be a service evaluation of routinely collected anonymised data that did not include an intervention and did not change the normal process of care. It is also a retrospective observational study from a single centre, limiting its generalisability. Therefore, ethics approval was not required [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.