genome hg18
load https://igvdata.broadinstitute.org/data/hg18/tcga/gbm/gbmsubtypes/Broad.080528.subtypes.seg.gz
load https://igvdata.broadinstitute.org/data/hg18/tcga/gbm/gbmsubtypes/sampleTable.txt.gz
sortByAttribute subtype asc,  "secondary or recurrent" desc, AgeAtFirstDiagnosis asc
