1. Department of Medicine, University of Ilorin Teaching Hospital, Ilorin, Kwara state, Nigeria
2. Department of Family Medicine, University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria
3. Department of Epidemiology and Community Medicine, University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria
4. Olanrewaju Hospital Ilorin, Kwara State, Nigeria