1. Department of Dental and Maxillofacial Surgery, Federal Medical Centre , Birnin Kebbi , Nigeria
2. World Health Organization, Kebbi State Field Office , Birnin Kebbi , Nigeria
3. Cephas Health Research Initiative Inc , Ibadan , Nigeria
4. Healthy Mind Program, Mental and Oral Health Development Organization , Kalgo , Nigeria
5. Department of Oral Biology and Oral Pathology, Faculty of Dental Science, University of Lagos , Lagos , Nigeria
6. Department of Dental and Maxillofacial Surgery, Usmanu Danfodiyo University Teaching Hospital , Sokoto , Nigeria