1 Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Pólo das Ciências da Saúde, Coimbra, Portugal.
2 Institute for Nuclear Sciences Applied to Health, Pólo das Ciências da Saúde, University of Coimbra, Coimbra, Portugal.
3 Translational Neuropsychology Laboratory, Department of Education and Psychology, William James Center for Research, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal.