About the Authors

Manuel Perea

mperea@valencia.edu

Affiliation ERI-Lectura and Departamento de Metodología, Universitat de València, Valencia, Spain

Cristina García-Chamorro

Affiliation ERI-Lectura and Departamento de Metodología, Universitat de València, Valencia, Spain

Miguel Martín-Suesta

Affiliation Organización Nacional de Ciegos (ONCE), Valencia, Spain

Pablo Gómez

Affiliation DePaul University, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP CGC MMS PG. Performed the experiments: MP CGC MMS. Analyzed the data: MP PG. Wrote the paper: MP PG.