hpa.data                Gene expression data for normal human tissues
                        from the Human Protein Atlas (HPA). This data
                        was specially processed by the HPA group as
                        FPKM values (file
                        "HPA.normal.FPKM.GDCpipeline.csv") using a
                        pipeline similar to that employed by GDC for
                        the TCGA RNA-seq data.
