Assessment and comparison of probability scores to predict giant cell arteritis.

"Conflicts of interests Dr Makhzoum has received consultation or presentation fees from Roche®, Otsuka®, GlaxoSmithKline®, Astra-Zeneca®, Sanofi ® and is an investigator in clinical trials funded by Health Canada, the Vasculitis Clinical Research Consortium (VCRC), Janssen® and Novartis® outside the submitted work. Dr Ross has received consultation fees from Otsuka® outside the submitted work. Dr Ducharme-Benard has received presentation and focus group fees from Novartis® outside the submitted work. All other authors had no conflicts of interests to declare."

"Funding Montreal Sacre-Coeur Hospital Foundation provided a grant (5,000$) and the ultrasound used in this study. This funding source had no role in the design of this study and did not have any role during its execution, analyses, interpretation of the data, or decision to submit results."