Correction

Unfortunately, the original version of Figs. 4, 5 and 6b in the article [1] contained errors in the n numbers as indicated on the columns. Please note that column heights and error bars in the original figures and data in the ESM tables are correct and statistical tests are valid. These corrections do not affect any results or conclusions in this article.

The correct n numbers are as follows:

Figure 4 (http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13550-016-0218-3/MediaObjects/13550_2016_218_Fig4_HTML.gif): ‘HCT116’ (IC) n = 8; ‘A549’ (WWU) n = 7; ‘HCT116’ (WMIC) n = 3; ‘H1975’ (AZ) n = 6.

Figure 5 (http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13550-016-0218-3/Media Objects/13550_2016_218_Fig5_HTML.gif): ‘ONU (AZ)’ n = 6; ‘H1975 in ONU (AZ)’ n = 6; ‘A431 in ONU (AZ)’ n = 6.

Figure 6b (http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13550-016-0218-3/MediaObjects/13550_2016_218_Fig6_HTML.gif): ‘PC9’ n = 13.