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Article History

Received: 5 October 2018

Accepted: 18 March 2019

First Online: 11 April 2019

Ethics approval and consent to participate

: The research was approved and sponsored by the local research and innovation department. Ethics approval was sought but not deemed necessary, as per United Kingdom Health Research Authority Integrated Research Application System guidelines. Informed consent was obtained from all individual participants included in the study.

: Not applicable.

: The authors declare that they have no competing interests.

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