ClinicalTrial.AE        Clinical Trial: Adverse events
ClinicalTrial.Arm       Clinical Trial: Treatment
ClinicalTrial.Response
                        Clinical Trial: Response
ClinicalTrial.Stage     Clinical Trial: Stage
line_df_to_point_df     Formats a dataframe of line to add points
swimmer_arrows          Adding arrows to a swimmers plot
swimmer_lines           Adding lines to a swimmers plot
swimmer_plot            Creating the base of a swimmers plot
swimmer_points          Adding points to a swimmers plot
swimmer_points_from_lines
                        Adding points to a swimmers plot which match up
                        with lines
swimmer_text            Adding text to a swimmers plot
