1. Faculty of Dentistry University of Puthisastra Phnom Penh Cambodia
2. Campaign for Head and Neck Cancer Education (CHANCE) Programme Cephas Health Research Initiative Inc Ibadan Nigeria
3. School of Health and Life Sciences Teesside University Middlesbrough UK
4. Department of Sociology Usmanu Danfodiyo University Sokoto Nigeria
5. Department of Sociology University of Johannesburg Johannesburg South Africa
6. Department of Oral and Maxillofacial Surgery University College Hospital Ibadan Nigeria
7. Department of Dental and Maxillofacial Surgery Usmanu Danfodiyo University Teaching Hospital Sokoto Nigeria