1. Department of Internal Medicine Division of Haematology Faculty of Medicine Sohag University SohagEgypt
2. Department of Internal Medicine‐Clinical Haematology Unit Faculty of Medicine Assiut University Hospital/Unit of Bone Marrow TransplantationSouth Egypt Cancer InstituteAssiut University AssiutEgypt
3. Department of Clinical and Chemical Pathology Faculty of Medicine Sohag University SohagEgypt
4. Tropical Medicine and Gastroenterology Department Faculty of Medicine Sohag University SohagEgypt
5. Department of Pathology Faculty of Medicine Sohag University SohagEgypt
6. Department of Diagnostic and Interventional Radiology Faculty of Medicine Sohag University Sohag Egypt