Affiliation: | 1.INESC TEC, Campus da FEUP, Rua Dr. Roberto Frias 4200–465, Porto, Portugal ;2.Universidade de Trás-os-Montes e Alto Douro, Quinta de Prados 5000–801, Vila Real, Portugal ;3.WMG, International Manufacturing Centre, University of Warwick, Coventry, CV4 7AL, UK ; |