1. Department of Psychiatry, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
2. Department of Child and Adolescent Psychiatry, Medical School, Democritus University of Thrace, 68100 Alexandroupolis, Greece
3. Department of Speech & Language Therapy, School of Health Sciences, University of Ioannina, 45500 Ioannina, Greece