1. Department of Community Medicine, College of Health Sciences, University of Jos, Nigeria
2. School of Management and Marketing, Curtin Business School, Curtin University, Bent-ley, WA Australia
3. Westville Campus, African Vision Research Institute, Discipline of Optometry, University of KwaZulu-Natal, Durban, South Africa
4. Translational Health Research Unit (THRI), School of Medicine, Western Sydney University, Campbelltown, NSW, Australia
5. Department of Optometry, University of Benin, Nigeria
6. School of Optometry and Vision Sciences, College of Biomedical Sciences, Cardiff University, Cardiff, UK
7. Department of Optometry and Vision Science, School of Allied Health Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
8. Department of Optometry and Vision Sciences, Mzuzu University, Mzuzu, Malawi
9. Department of Optometry, Centre for Health Sciences, University of the Highlands and Islands, Inverness, UK
10. Department of Public Health, College of Medical Sciences, University of Calabar, Nigeria
11. Health Division, University of Bamenda, Bambili, Cameroon
12. Department of Psychiatry, College of Health Sciences, University of Jos, Nigeria
13. Tanzania Food and Nutrition Center, Dar es Salaam, Tanzania
14. Department of Computer Science, University of Jos, Nigeria
15. School of Health Sciences, Western Sydney University, Campbelltown, NSW, Australia