1. School of Medicine and Dentistry, College of Health Sciences Kwame Nkrumah University of Science and Technology (KNUST) Kumasi Ghana
2. Department of Surgery KNUST Hospital Kumasi Ghana
3. Department of Surgery Komfo Anokye Teaching Hospital Kumasi Ghana
4. Department of Medicine Komfo Anokye Teaching Hospital Kumasi Ghana
5. Department of Surgery Cape Coast Teaching Hospital Cape Coast Ghana
6. Department of Pathology Komfo Anokye Teaching Hospital Kumasi Ghana