1. MSc neurology, neurology department, Faculty of Medicine Al‐Azhar University Cairo Egypt
2. Alexandria Faculty of medicine Alexandria Egypt
3. Faculty of Medicine Al‐Azhar University Cairo Egypt
4. Faculty of Medicine Al‐Azhar University Damietta Egypt
5. Pharmacist ministry of health Cairo Egypt
6. Division of Neurology medicine, Department of Internal Medicine King Khalid Hospital Hail Hail Saudi Arabia
7. Faculty of Medicine Aleppo University Aleppo Syria