Funding for this research was provided by:
NIHR HTA (13/115/82)
Received: 26 April 2019
Accepted: 13 May 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: The trial has approval from the North of Scotland Research Ethics Committee, reference 15/NS/0114. The trial is sponsored by the University of Aberdeen and NHS Grampian.
: Not applicable
: The authors declare that they have no competing interests.
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