IDH1 and glioblastoma: To characterize the interpatient matrisome heterogeneity, we included 157 IDH wild type (WT) GBM samples from 151 patients with varying coverages for genomic, transcriptomic, proteomic, and clinical data from the TCGA GBM dataset {Cancer Genome Atlas Research, 2008 #122} (Supplementary Table 2).