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Authors
Hodgkinson, J. D.
Worley, G.
Warusavitarne, J.
Hanna, G. B.
Vaizey, C. J.
Faiz, O. D.
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Article History
Received: 7 September 2020
Accepted: 14 February 2021
First Online: 13 March 2021
Compliance with ethical standards
:
: The authors declare no conflicit of interest related to the current work.
: Ethical approval for use of the HES dataset was given by the London board (HRA NRES 2013: REC reference 13/LO/1235).
: Not applicable.
: Not applicable.
