Figure 1

InteractiVenn Interface. InteractiVenn interface’s main parts are indicated by lettering as follows: (A) unions sequence; (B) the button that starts the sequence of set unions defined in (A); (C) the selector of the number of sets of the diagram; (D) fields to be filled with the elements of each set, one element (string) per line; (E) controls to download the current sets as a text file; (F) controls to upload sets previously saved; (G) controls to export the current diagram with extension in SVG format and (H) controls to increase and decrease font size and color opacity, to reset the diagram’s colors and font and to display the tree that will guide unions.