1. Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, SAUDI ARABIA
2. Deanship of Scientific Research, Imam Abdulrahman Bin Faisal University, Dammam, SAUDI ARABIA
3. Department of Hematology and Immunohematology, College of Medical Laboratory Science, Sudan University of Science and Technology, Khartoum, SUDAN