create_cell_annotations
                        Create Cell Type and Time Point Annotations for
                        Heatmap Columns
create_gene_annotations
                        Create Gene Group Annotations for Heatmap Rows
create_single_cell_complex_heatmap
                        Create Complex Heatmap for Single Cell
                        Expression Data
prepare_expression_matrices
                        Prepare Expression and Percentage Matrices from
                        Seurat DotPlot
