Funding for this research was provided by:
Programme Grants for Applied Research (RPPG-0609-10107)
Received: 21 September 2018
Accepted: 25 March 2019
First Online: 16 April 2019
Ethics approval and consent to participate
: Approval for this study was granted by the Nottingham 2 Research Ethics Committee (NRES reference 12/EM/0283). All participants gave written informed consent or oral assent prior to randomisation. Written consent was gained for participants giving oral assent prior to sending/giving out follow-up questionnaires.
: Not applicable.
: The authors declare that they have no competing interests.
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