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Article History

Received: 5 February 2019

Accepted: 15 March 2019

First Online: 8 April 2019

Ethics approval and consent to participate

: Ethical approval was not required on the basis that this was an implementation project of a proven technology, and therefore defined as an NHS evaluation. The implementation was approved by the appropriate Governance Committees at the relevant NHS Trust hospitals.

: Not applicable.

: The authors declare that they have no competing interests. The views expressed are those of the author(s) and not necessarily those of the NHS, the individual NHS Trusts, the NIHR or the Department of Health and Social Care.

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