1. Laboratory Medicine Department Faculty of Applied Medical Science, Umm Al Qura University, Kingdom of Saudi Arabia;
2. Clinical Pathology Department, National Cancer Institute, Cairo University, Egypt;
3. Medical Biochemistry Department, Faculty of Medicine, Mansoura University, Egypt;
4. Laboratory and Blood Bank Department, KAMC, Makkah, Kingdom of Saudi Arabia;
5. Biostatistics and Cancer Epidemiology, National Cancer Institute, Cairo University, Egypt;
6. Department of Animal Medicine, Faculty of Veterinary Medicine, Assiut University, Egypt