1 Correction to: Universal Access in the Information Society https://doi.org/10.1007/s10209-021-00851-x

The original article has been published with incorrect author affiliation. The correct affiliations are:

Salvador Otón-Tortosa's affiliation is: University of Alcalá, Alcalá de Henares, Spain.

José Hilera-Gonzalez's affiliation is: University of Alcalá, Alcalá de Henares, Spain.

Mary Sánchez-Gordón's affiliation is: Østfold University College, 1757 Halden, Norway.

The original article has been corrected.