1. UNIFESP - Federal University of São Paulo; Ophthalmology; Rua Pedro de Toledo 650, 2nd floor São Paulo Brazil
2. Av. Republica do Libano 1034 São Paulo Brazil
3. Moorfields Eye Hospital NHS Foundation Trust; 162 City Road London UK
4. Centro de Estudos de Saúde Baseada em Evidências e Avaliação Tecnológica em Saúde; Cochrane Brazil; Rua Borges Lagoa, 564 cj 63 São Paulo SP Brazil 04038-000
5. Newcastle University; Institute of Health & Society; Baddiley-Clark Building, Richardson Road Newcastle upon Tyne UK NE2 4AA
6. London School of Hygiene & Tropical Medicine; Cochrane Eyes and Vision, ICEH; Keppel Street London UK WC1E 7HT