The authors wish to thank staff and volunteers from the Pathology and Rheumatology departments at the James Cook University Hospital, Middlesbrough who made this study possible. We thank Immuno-Diagnostic Systems (Boldon, UK) for providing PINP and βCTX reagents for the iSYS analyser.
Conflict of interest statement
Authors’ conflict of interest disclosure: The authors stated that there are no conflicts of interest regarding the publication of this article. Research support played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
Research funding: None declared.
Employment or leadership: JMvL has received a research grant, consultancy and speaker fees from Roche. SPT has received speaker fees from Ely Lilly.
Honorarium: None declared.
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