1. Department of Hematology & Immunohematology; School of Biomedical and Laboratory Sciences; College of Medicine and Health Sciences; University of Gondar; Gondar Ethiopia
2. Department of Immunology & Molecular Biology; School of Biomedical and Laboratory Sciences; College of Medicine and Health Sciences; University of Gondar; Gondar Ethiopia
3. Department of Clinical Chemistry; School of Biomedical and Laboratory Sciences; College of Medicine and Health Sciences; University of Gondar; Gondar Ethiopia