1. Clinical Pathology Department, South Egypt Cancer Institute, Assiut University, Assiut, Egypt
2. Pediatric Department, Faculty of Medicine, Assiut University, Assiut, Egypt
3. Department of ENT, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
4. Department of Pediatrics, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
5. Department of Clinical Pathology, Faculty of Medicine, Alazhar University, Assiut, Egypt
6. Department of Community Health Nursing, Faculty of Nursing, Assiut University, Egypt
7. Department of Community Health Nursing, Sabia University College, Jazan University, Kingdom of Saudi Arabia
8. Department of Medical Biochemistry, School of Medicine, Taif University, Taif, Kingdom of Saudi Arabia
9. Director of Training and Scholarship Administration, MOH, Gizan, Kingdom of Saudi Arabia