Author Correction: Inhibition of A20 expression in tumor microenvironment exerts anti-tumor effect through inducing myeloid-derived suppressor cells apoptosis.

Cells were gated by CD3 lymphocyte region in tumors and cell percentages were illustrated as percentages of the positive cells in gated lymphocytes. (a) Lymphocytes isolated from tumors were subjected to flow cytometry assay (n = 3). [Extracted from the article]