**Author details**

José Manuel Pais-Chanfrau1 \*, Jimmy Núñez-Pérez1 , Rosario del Carmen Espin-Valladares1 , Marcos Vinicio Lara-Fiallos1 and Luis Enrique Trujillo-Toledo2

1 North-Technical University, Universidad Técnica del Norte, UTN, FICAYA, Ibarra, Imbabura, Ecuador

2 University of the Armed Forces, Universidad de las Fuerzas Armadas, ESPE, Quito, Pichincha, Ecuador

\*Address all correspondence to: jmpais@utn.edu.ec

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
