Funding for this research was provided by:
Arthritis Research UK (20164)
Centre for Epidemiology, University of Manchester (20380)
Centre for Genetics and Genomics, University of Manchester (20385)
Text and Data Mining valid from 2018-05-24
Received: 1 March 2018
Accepted: 14 May 2018
First Online: 24 May 2018
Ethics approval and consent to participate
: The study received ethics approval from Newcastle and North Tyneside NRES Committee. Ethics no 14/NE/1112.Over 16 s gave their individual consent to participate and 11–15 year olds gave their assent following parental consent. Parents of those aged 11–15 were able to accompany participants but waited in a separate room whilst their child took part.
: “The authors declare that they have no competing interests”.
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