3 Research School of Biology, Australian National University, Canberra, ACT, Australia.
4 National Centre for Optics, Vision and Eye Care, Faculty of Health and Social Sciences, University of South-Eastern Norway, Norway.
5 Centre for Optometry and Vision Science, Biomedical Sciences Research Institute, Ulster University, Coleraine, Northern Ireland, United Kingdom.
6 Ulverscroft Chair for Global Eye Health, Department School of Medicine, Centre for Public Health, Queen's University Belfast, Belfast, United Kingdom.
7 Orbis International, Lenexa, Kansas, US.
8 School of Medicine, Dentistry and Biomedical Sciences, Institute of Clinical Science, Centre for Public Health, Royal Victoria Hospital, United Kingdom.
9 School of Optometry, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.
10 New England College of Optometry, Boston, Massachusetts, US.
11 Global Research Consortium for School Health and Nutrition, Faculty of Infectious and Tropical Diseases London School of Hygiene and Tropical Medicine.