In the originally published version of this paper’s Supplemental Information, incorrect headers were used for the gene signatures listed in Table S1. Specifically, the headers of the Proneural and the Mesenchymal gene signatures were swapped.
To provide clarity, the authors are supplying a revised Table S1, which has been corrected in the online version of this article. This change does not alter the main text or the conclusions of the work. The authors apologize for any confusion this may have caused.