Article History
Received: 15 June 2019
Accepted: 19 September 2019
First Online: 30 September 2019
Compliance with ethical standards
:
: No conflicts of interest and no relevant disclosures.
: Formal ethics approval was obtained from Research and Development department within UHCW NHS Trust.
: Written consent has not been obtained from individual patients, as this was not needed as per the ethics approval. No personal identifiable information has been collected for the study. As this is a retrospective study about patients who have died, informed consent is not possible.