1. Special Education Department, King Saud University, Riyadh, Saudi Arabia
2. Department of Special Education, Faculty of Education and Arts, University of Tabuk, Tabuk, Saudi Arabia
3. Special Education, The Applied College, University of Tabuk, Tabuk, Saudi Arabia
4. Third Faculty of Medicine, Charles University, Prague, The Czech Republic
5. Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia