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Article History

Received: 27 March 2018

Accepted: 29 October 2018

First Online: 10 November 2018

Ethics approval and consent to participate

: This study has obtained a favourable ethical opinion from the North East, Newcastle and North Tyneside 2 NHS Research Ethics Committee (REC) prior to the start of the trial (reference 17/NE/0297). The CI will notify the REC of all required substantial amendments to the trial and those non-substantial amendments that result in a change to trial documentation (e.g. protocol or patient information sheet).

: Not applicable.

: The authors declare that they have no competing interests.

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