1. Infection Prevention and Control Unit 57357 Children Cancer Hospital Cairo Egypt
2. Department of Clinical Pathology Ain Shams University Cairo Egypt
3. Department of Microbiology and Immunology Beni‐Suef University Beni‐Suef Egypt
4. Department of Medicine University of Louisville Louisville KY USA
5. Clinical Pharmacy Department Beni‐Suef University Beni‐Suef Egypt
6. Clinical Pathology Department Faculty of Medicine Cairo University, Microbiology Unit 57357 – Children Cancer Hospital Cairo Egypt
7. Research Department 57357 Children Cancer Hospital Cairo Egypt