1. Tropical Medicine and Hepatology Department, Mansoura Faculty of Medicine Mansoura University Mansoura Egypt
2. Department of Tropical Medicine, Faculty of Medicine Mansoura University Mansoura Egypt
3. Department of Public Health and Preventive Medicine, Faculty of Medicine Mansoura University Mansoura Egypt
4. Chest Department Mansoura University Mansoura Egypt
5. Chest Medicine Department Mansoura University Mansoura Egypt
6. Department of Clinical Pathology, Mansoura Faculty of Medicine Mansoura University Mansoura Egypt
7. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine Mansoura University Mansoura Egypt