1. Department of Medical Physiology, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
2. Department of Pathology, Faculty of Medicine, Benghazi University, Benghazi 16063, Libya
3. Department of Medical Biochemistry, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt
4. Department of Pathology, Faculty of Medicine, Zagazig University , Zagazig 44519 , Egypt
5. Department of Human Anatomy and Embryology, Faculty of Medicine, Zagazig University , Zagazig 44519 , Egypt
6. Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University , Buraydah 52571 , Saudi Arabia
7. Department of Histology and Cell Biology, Faculty of Medicine, Menoufi University, Shebin El Koum 32511, Egypt
8. Department of Histology, College of Medicine, Batterjee Medical College, Abha 61961, Saudi Arabia
9. Department of Histology and Cell Biology, Faculty of Medicine, Tanta University , Tanta 31527 , Egypt