1. University of Trás-os-Montes and Alto,Douro, UTAD,Department of Engineering,Vila Real,Portugal
2. University of Trás-os-Montes and Alto,ALGORITMI Center, Douro, UTAD,Department of Engineering,Vila Real,Portugal
3. University of Trás-os-Montes and Alto,CPES-INESCTEC UTAD, Douro, UTAD,Department of Engineering,Vila Real,Portugal