1. Applied Medical Chemistry Department, Medical Research Institute, Alexandria University, 165 El-Horria Ave., P.O. 21561, Alexandria, Egypt
2. Microbiology Department, Medical Research Institute, Alexandria University, 165 El-Horria Ave., P.O. 21561, Alexandria, Egypt
3. Chemical Pathology Department, Medical Research Institute, Alexandria University, 165 El-Horria Ave., P.O. 21561, Alexandria, Egypt
4. Clinical Oncology and Nuclear Medicine Department, Faculty of Medicine, Alexandria University, Egypt
5. Medical Biotechnology Department, City for Scientific Research & Technology Application, Egypt