Received: 1 December 2020
Accepted: 28 April 2021
First Online: 12 May 2021
: Ethical approval was not required due to the retrospective and anonymised nature of the study. The project was registered locally and approved by the clinical audit department at the Royal Devon and Exeter Hospital NHS Trust (reference number 20-4591). We received administrative permission to access and use the data from the clinical audit department aforementioned.
: Written consent was not obtained from study participants.
: There are no competing interests to declare.