1. Medical Biochemistry Department, Faculty of Medicine Zagazig University Zagazig Egypt
2. Department of Clinical Laboratory Sciences, College of Applied Medical Sciences Taif University Taif Saudi Arabia
3. Department of Clinical Oncology and Nuclear Medicine, Faculty of Medicine Zagazig University Egypt
4. Ministry of Health King Faisal Medical Complex Alpakistany Taif Saudi Arabia
5. General Surgery Department, Faculty of Medicine Zagazig University Zagazig Egypt