Parodis I, Zickert A, Sundelin B, et al. Evaluation of B lymphocyte stimulator and a proliferation inducing ligand as candidate biomarkers in lupus nephritis based on clinical and histopathological outcome following induction therapy. Lupus Sci Med 2015;2:e000061. doi:10.1136/lupus-2014-000061.

In Table 1, the characteristic ‘Duration of induction therapy' should be named ‘Time between renal biopsies (months)'.

Page 4, right column, ‘the decrease in APRIL levels were significant…’ should read ‘the decrease in APRIL was significant…’.