1. Histology, Cell Biology and Genetic Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
2. Medical Histology and Cell Biology Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
3. Basic Medical Sciences Department, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Kingdom of Saudi Arabia
4. Medical Physiology Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
5. Department of Medical Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
6. Department of Medical Physiology, General Medicine Practice Program, Batterjee Medical College, Jeddah, Saudi Arabia
7. Molecular Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt