Daniel Ruivo Marques1. 1. University of Aveiro, Department of Education and Psychology, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Institute for Biomedical Imaging and Life Sciences, IBILI, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal. Electronic address: drmarques@ua.pt.