1. Department of Medical Laboratory Science, Institute of Health Sciences Wollega University Nekemte Ethiopia
2. Department of Anatomy, College of Health Sciences, Faculty of Basic Medical Sciences Nile University of Nigeria Abuja Nigeria
3. Department of Medical Biochemistry, School of Medicine, College of Health Sciences Addis Ababa University Addis Ababa Ethiopia
4. Department of Medical Laboratory Sciences, College of Medicine and Health Sciences Arba Minch University Arba Minch Ethiopia