| Affiliation: | 1. Lagos University Teaching Hospital, Lagos, Nigeria;2. Community Health and Primary Care, University of Lagos, Lagos, Nigeria;3. Department of Community Health, University of Lagos, Lagos, Nigeria;4. Department of Oral and Maxillofacial Surgery, University of Lagos, Lagos University Teaching Hospital, Lagos, Nigeria;5. King's College London Dental Institute, London, UK;6. Department of Oral Pathology, Radiology and Medicine, Dows Institute for Dental Research, College of Dentistry, University of Iowa, Iowa City, IA, USA |
