João JoséPhD Student University of Trás-os-Montes and Alto Douro joaojose@utad.pt Mail-bulk University Edna CabecinhaSupervisor University of Trás-os-Montes and Alto Douro edna@utad.pt Mail-bulk University Sebastian VillasanteCo-Supervisor University of Santiago de Compostela sebastian.villasante@usc.es Mail-bulk University Jorge CampaniçoCo-Supervisor University of Trás-os-Montes and Alto Douro jcampani@utad.pt Mail-bulk University Sérgio LeandroCo-Supervisor Institute Polytechnic of Leira sergio.leandro@ipleiria.pt Mail-bulk University Emilio FernándezCo-Supervisor University of Vigo esuarez@uvigo.es Mail-bulk University