1. Department of Obstetrics and Gynecology, School of Medicine, University of Crete, Heraklion, Greece
2. Department of Speech and Language Therapy, School of Health Sciences, University of Ioannina, Ioannina, Greece
3. Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
4. Department of Obstetrics and Gynecology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece