1. Family Medicine Department, Kasralainy Faculty of Medicine, Cairo University, Cairo, Egypt
2. Department of Clinical & Chemical Pathology, Kasralainy, Faculty of Medicine, Cairo University, Cairo, Egypt
3. Department of Medical Microbiology & Immunology, Kasralainy Faculty of Medicine, Cairo University, Cairo, Egypt
4. Computer Science and Engineering Department, Faculty of Engineering, Benha University, Cairo, Egypt