1. TECNALIA, Basque Research and Technology Alliance (BRTA), Parque Científico Y Tecnológico De Bizkaia, Derio, Spain
2. Sidenor I+D, Barrio Ugarte S/n, Basauri, Spain
3. Faculty of Engineering in Bilbao, University of the Basque Country UPV/EHU, Paseo Rafael Moreno “Pitxitxi” 3, Bilbao, Spain