Erratum to: Diabetologia

DOI 10.1007/s00125-012-2456-x

Unfortunately, “negatively” and “positively” were inadvertently reversed in the legend to Fig. 6. The third sentence of the legend should read: A complete dark red or dark blue label indicates proteins where combined spot volumes (combination of all spots where the respective protein was identified) were significantly positively (red) or negatively (blue) correlated with GDR (p < 0.05).