add_box                 Add nodes
add_label_box           Add a vertically aligned label nodes on the
                        left side.
add_side_box            Add a side node
add_split               Add a splitting box
build_grid              Build consort diagram
build_grviz             Build consort diagram
connect_box             Connect grob box with arrow.
consort-package         Create Consort diagram
consort_plot            Self generating consort diagram
gen_text                Generate label and bullet points
get_coords              Get the coordinates of the textbox object
move_box                Move a box grob
plot.consort            Add methods to print function
textbox                 Create a box with text
