1. Department of Internal Medicine, Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
2. Faculty of Medicine, Al Andalus University, Qadmus, Syrian Arab Republic
3. Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
4. Department of Radiology, Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
5. Faculty of Medicine, Al Baath University, Homs, Syrian Arab Republic
6. Faculty of Dentistry, Tishreen University, Lattakia, Syrian Arab Republic
7. Department of Pathology, Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic
8. Department of Embryology and Genetics, Faculty of Medicine, Damascus University, Damascus, Syrian Arab Republic