Funding for this research was provided by:
Northern Ireland Health and Social Care R&D Division (STL/5091/14)
Received: 16 March 2018
Accepted: 13 November 2018
First Online: 27 November 2018
Ethics approval and consent to participate
: Ethical approval was provided from the Office of Research Ethics Committee Northern Ireland (ORECNI) (reference number 16/NI/0058), which also provided approval for alterations to the protocol made during the study. Patients and staff provided written informed consent prior to participation in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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