Funding for this research was provided by:
Research Trainees Coordinating Centre (CS-2014-002)
Article History
Received: 25 July 2018
Accepted: 28 November 2018
First Online: 17 December 2018
Ethics approval and consent to participate
: The study was conducted in accordance with Good Clinical Practice and the Declaration of Helsinki. It was reviewed and approved by the UK National Research Ethics Service (Newcastle and North Tyneside 2). All participants provided written informed consent.
: All participants provided written informed consent to publish their quotations anonymously.
: The authors declare that they have no competing interests
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