1. Department of Physiology College of Medicine, King Khalid University Abha Saudi Arabia
2. Department of Medicine College of Medicine, King Khalid University Abha Saudi Arabia
3. Department of Physiology, Kasr Al‐Aini Faculty of Medicine Cairo University Cairo Egypt
4. Department of Medical Histology, Kasr Al‐Aini Faculty of Medicine Cairo University Cairo Egypt
5. Electron Microscopy Research Department Theodor Bilharz Research Institute Cairo Egypt
6. Department of Pathology, Kasr Al‐Aini Faculty of Medicine Cairo University Cairo Egypt
7. Department of Biochemistry College of Medicine, King Khalid University Abha Saudi Arabia
8. Department of Medical Biochemistry, Faculty of Medicine Mansoura University Mansoura Egypt
9. Department of Clinical Laboratory Sciences College of Applied Medical Sciences, King Khalid University Abha Saudi Arabia