Funding for this research was provided by:
Yorkshire and Humber Collaborations for Leadership in Applied Health Research and Care (N/A)
Received: 27 March 2018
Accepted: 23 May 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: This study was reviewed and approved by London Brent Ethics Committee IRAS ID 204611 and received research governance approval from the sponsor, Sheffield Teaching Hospitals NHS Foundation Trust Research and Innovation Office STH19410. All participants gave written informed consent before taking part in the study.
: The authors declare that they have no competing interests.
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