Funding for this research was provided by:
National Institute for Health Research
Received: 18 December 2017
Accepted: 2 May 2018
First Online: 22 May 2018
Ethics approval and consent to participate
: This was obtained from East Midlands - Nottingham 1 Research Ethics Committee – REC/REF - 13/EM/0258 15 July 2013 for all organisations involved. Signed consent was gained from all participants in line with the approval granted.
: There are no competing interests financial or otherwise from any of the authors.
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