Correction to: ABCA1/ABCB1 Ratio Determines Chemo- and Immune-Sensitivity in Human Osteosarcoma (Cells, (2020), 9, 3, (647), 10.3390/cells9030647)

In the original publication [1], there was a mistake in Figure 1B as published. During figure assembly, we left in two panels that belonged to the preparatory version of the publication because of a copy-and-paste clerical error. The corrected Figure 1 appears below. In the original publication, there was a mistake in Figure 4A as published. The first blot of panel A was labelled as p(Thr202/Tyr204)ERK1/2, and the second blot of panel A was labelled as Total ERK1/2 because of a copy-and-paste clerical error. The first blot should be Total ERK1/2 and the second blot should be p(Thr202/Tyr204)ERK1/2, as it was correctly described in the text. The corrected Figure 4 appears below. In the original publication, there was a mistake in Figure 5C as published. During figure assembly, we left two panels that belonged to the preparatory version of the publication because of a copy-and-paste clerical error. The corrected Figure 5 appears below. The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.