1. Department of Surgery, Benue State University, Makurdi, Nigeria
2. Department of Medicine, Benue State University Teaching Hospital, Makurdi, Nigeria
3. Department of Physiology, Benue State University, Makurdi, Nigeria
4. Department of Paediatrics, Federal University of Health Sciences, Otukpo, Nigeria
5. General Outpatient Department, Madonna Hospital, Makurdi, Nigeria