Fenton, Anthony
Montgomery, Emma
Nightingale, Peter
Peters, A. Michael
Sheerin, Neil
Wroe, A. Caroline
Lipkin, Graham W.
Article History
Received: 16 April 2018
Accepted: 31 October 2018
First Online: 22 November 2018
Ethics approval and consent to participate
: This study does not meet the Health Research Authority criteria for research requiring NHS REC approval and therefore ethics approval was not necessary. Patient consent was not necessary as the study involved the use of de-identified data.
: Not applicable.
: The authors declare that they have no competing interests.
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