1. Biology Department, Al Azhar University-Gaza, Gaza, Palestine
2. Division of Hematology, Department of Internal Medicine, School of Medicine, University of Utah, Salt Lake City, UT, USA
3. Department of Medical Laboratory Sciences, Islamic University-Gaza, Gaza, Palestine
4. Palestinian Ministry of Health, Al Nasser Pediatric Hospital, Palestine
5. Institute for Clinical and Experimental Pathology, ARUP Laboratories, Salt Lake City, UT, USA