1. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
2. Department of Internal Medicine, Faculty of Medicine, Mansoura University, Mansoura, Egypt
3. Department of Microbiology and Immunology, Faculty of Medicine, Menofia University, Menofia, Egypt
4. Department of Medical Laboratory Technology, Faculty of Applied Medical Science, Northern Border University, Arar, Saudi Arabia
5. Department of General Surgery, Gastrointestinal Surgery Center, Mansoura University, Mansoura, Egypt
6. Department of Clinical Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt