1. Department of Community Health, Faculty of Clinical Sciences, University of Uyo/University of Uyo Teaching Hospital, Uyo, Akwa Ibom State, Nigeria 520271
2. Department of Paediatrics, University of Uyo/University of Uyo Teaching Hospital, Uyo, Akwa Ibom State, Nigeria 520271
3. Department of Internal Medicine, University of Uyo/University of Uyo Teaching Hospital, Uyo, Akwa Ibom State, Nigeria 520271
4. Department of Family Medicine, University of Uyo/University of Uyo Teaching Hospital, Uyo, Akwa Ibom State, Nigeria 520271
5. Department of Community Health, University of Uyo Teaching Hospital, Uyo, Akwa Ibom state, Nigeria 520261