Funding for this research was provided by:
Arthritis Research UK (19423, 20164)
Canadian Institutes of Health Research (MOP-86526)
National Institutes of Health (P60AR064464, RR00046)
Received: 6 January 2017
Accepted: 8 December 2017
First Online: 22 December 2017
Ethics approval and consent to participate
: All patients in the SLICC inception cohort gave informed consent and ethical approval for the study was obtained by the institutional research ethics review board at each participating centre.
: Not applicable as the paper does not contain identifiable data from any individual person.
: The authors declare that they have no competing interests.
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