1. CINVESTAV-IPN Unidad Guadalajara, Av. Científica, Col. El Bajío, Zapopan, 45010, Jalisco, México
2. Department of Electrical and Information Engineering, and Center of Excellence DEWS University of L'Aquila, Poggio di Roio, L'Aquila, Italy
3. Department of Electrical Engineering, Universidad Michoacana de San Nicol´s Hidalgo, Morelia, México