1. Medical Biochemistry, Faculty of Medicine, Sohag University, Sohag, Egypt
2. Internal Medicine, Faculty of Medicine, Sohag University, Sohag, Egypt
3. Physiology, Faculty of Medicine, Sohag University, Sohag, Egypt
4. Aqaba Medical Science University, Aqaba, Jordan
5. Histology and Cell Biology, Faculty of Medicine, Sohag University, Sohag, Egypt
6. Pathology, Faculty of Medicine, Sohag University, Sohag, Egypt
7. Human Anatomy and Embryology, Faculty of Medicine, Sohag University, Sohag, Egypt