1. Department of Neurology, Al Assad and Al Mouwasat University Hospitals, Damascus University, Faculty of Medicine, Damascus, Syria
2. Department of Nephrology, Al Assad and Al Mouwasat University Hospitals, Damascus University, Faculty of Medicine, Damascus, Syria
3. Histopathology Department at Al Assad University Hospital, Damascus University, Faculty of Medicine, Damascus, Syria
4. Neurology Department at Al Assad University Hospitals, Damascus University, Faculty of Medicine, Damascus, Syria.