About the Authors

Almudena Martin-Castro

Contributed equally to this work with: Almudena Martin-Castro, Iñaki Ucar

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Madrid, Spain

Iñaki Ucar

Contributed equally to this work with: Almudena Martin-Castro, Iñaki Ucar

Roles Conceptualization, Investigation, Methodology, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

inaki.ucar@uc3m.es

Affiliation UC3M-Santander Big Data Institute, Universidad Carlos III de Madrid, Getafe, Spain

Competing Interests

The authors have declared that no competing interests exist.