**Author details**

Lucrecia Llerena<sup>1</sup> \*, Nancy Rodriguez<sup>1</sup> , Mayra Llerena<sup>2</sup> , John W. Castro<sup>3</sup> and Silvia T. Acuña<sup>1</sup>

\*Address all correspondence to: lllerena@uteq.edu.ec

1 Department of Computer Engineering, Autonomous University of Madrid, Madrid, Spain

2 Department of Education Didactics, Autonomous University of Madrid, Madrid, Spain

3 Department of Computer Engineering and Computer Science, University of Atacama, Copiapó, Chile
