Funding for this research was provided by:
Otago Medical School Collaborative Research Grant
Text and Data Mining valid from 2018-06-12
Received: 10 October 2017
Accepted: 24 May 2018
First Online: 12 June 2018
Ethics approval and consent to participate
: The University of Otago Human Ethics Committee (Health) (H15/081) approved the study and participants gave written informed consent.
: Rebecca Grainger is a member of the editorial board of BMC Rheumatology. All other authors declare that they have no competing interests.
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