1. Department of Speech and Language Therapy, University of Ioannina, Ioannina, Greece
2. Department of Neurology, University Hospital of Larissa, Larissa, Greece
3. Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
4. Lab of Cognitive Neuroscience, School of Psychology, Aristotle University of Thessaloniki, Greece
5. Neuropsychology Section, Department of Neurology, University of Patras Medical School, Greece