Correction to: Arthritis Res Ther

https://doi.org/10.1186/s13075-017-1399-5

Following publication of the original article [1], the authors reported an error in the affiliation of Ari Polachek. The correct affiliation of Dr. Polochek is:

1Centre for Prognostic Studies in the Rheumatic Diseases, Toronto Western Hospital, University of Toronto, 1-412, 399 Bathurst Street, Toronto, ON M5T 2S8, Canada.

8Department of Rheumatology, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.