Erratum: Corrigendum: IL-6 as a keystone cytokine in health and disease

Nat. Immunol. 16, 448–457 (2015); published online 21 April 2015; corrected after print 17 August 2017 In the version of this article initially published, some of the labels in Figure 4a,b were incorrect. In Figure 4a, in the group of IL-6 blockers (top right), 'ALX-0061' should be removed and 'Siltuximab' and 'MEDI 5117' should be added, and in the group of IL-6R blockers (middle right), 'Siltuximab' and 'ALD518' should be removed and 'ALX-0061' should be added.