1. Department of Speech and Language Therapy, School of Health Sciences, University of Ioannina, Ioannina, Greece
2. Department of Health Sciences, Speech and Language Therapy, European University, Nicosia, Cyprus
3. Department of Linguistics, School of Philology, Faculty of Philosophy, University of Ioannina, Greece
4. Department of Speech and Language Therapy, School of Rehabilitation Sciences, University of Patras, Patras, Greece
5. Department of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece