1. Department of Ophthalmology and Otolaryngology, Faculdade de Medicina da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
2. Uveitis Unit, Hospital São Geraldo/Hospital das Clínicas da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
3. Division of Ophthalmology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
4. Foundation for Professional Development, Research Unit, East London, South Africa
5. Department of Medical Microbiology, University of Pretoria, Pretoria, South Africa
6. CAPHRI School of Public Health & Primary Care, Maastricht University Medical Centre, Maastricht, The Netherlands