1. ESPOL Polytechnic University,Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ingeniería en Electricidad y Computación,Guayaquil,Ecuador,Campus Gustavo Galindo Km 30.5 Vía Perimetral, P.O. Box 09-01-5863
2. University of Granada,Dpt. of Computer Science and Artificial Intelligence Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI),Spain
3. University of Pisa,Dpt. of Information Engineering,Italy