1. Faculty of Medicine, Department of Neuropsychiatry, Assiut University, Assiut, Egypt
2. Faculty of Medicine, Department of Neuropsychiatry, Sohag University, Sohag, Egypt
3. Faculty of Medicine, Department of Neuropsychiatry, South Valley University, Qena, Egypt
4. Faculty of Medicine, Department of Public Health and Community Medicine, Assiut University, Assiut, Egypt