Funding for this research was provided by:
Health Technology Assessment Programme (11/33/03)
Text and Data Mining valid from 2018-05-07
Received: 13 December 2017
Accepted: 9 April 2018
First Online: 7 May 2018
Ethics approval and consent to participate
: The study received ethical approval from the NHS Wales Research Ethics Committee 5 Ref 13/WA/0402 and NHS Research and Development approval from the Betsi Cadwaladr University Health Board (BCUHB) Internal Review Panel.
: NHW, JLR, NUD, NT, JMC, ZH and RTE report a grant from NIHR HTA programme, for the conduct of the study. NHW reports additional grants from Public Health Wales, NIHR HTA and BCUHB, outside the submitted work. JMC and RTE report grants from Public Health Wales, outside the submitted work.
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