create_gene_cna         Load and map CNA gain/loss onto human gene
                        location by genome reference
create_gene_exp         Create an joint gene expression table of all
                        samples
create_sample_desc      Create sample description table containing all
                        required inputs
direct_gene_cna         Load the existed CNA gain/loss based on gene
                        location.
find_cna_driven_gene    Perform an integrated analysis of gene
                        expression (GE) and copy number alteration
                        (CNA)
hg19DBNM                hg19-RefSeq
iGC                     iGC: an integrated analysis package of gene
                        expression and copy number alteration
