Nature Reviews Rheumatology (2018) https://doi.org/10.1038/s41584-018-0131-4 Published online 28 November 2018

In the online version of this article, there was an error in the text. The line beginning “A majority of the identified common variants with >5% frequency (variants with a minor allele) […]” has been corrected to “A majority of the identified common variants (variants with a minor allele frequency >5%) […]”. This error has now been corrected in the HTML and PDF versions of the manuscript.