1. Centre for Research in Oral Cancer, Faculty of Dental Sciences University of Peradeniya Peradeniya Sri Lanka
2. Department of Agricultural Biology, Faculty of Agriculture University of Peradeniya Peradeniya Sri Lanka
3. Department of Nursing, Faculty of Allied Health Sciences University of Peradeniya Peradeniya Sri Lanka
4. Department of Internal Medicine Central Regional Referral Hospital Gelegphu Bhutan
5. Department of Global Health and Development London School of Hygiene and Tropical Medicine London UK
6. Department of Chemistry, Faculty of Science University of Peradeniya Peradeniya Sri Lanka
7. Faculty of Dentistry University of Puthisastra Phnom Penh Cambodia
8. School of Dentistry University of Rwanda Kigali Rwanda
9. School of Health and Life Sciences Teesside University Middlesbrough UK
10. Cephas Health Research Initiative Inc Ibadan Nigeria