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