1. Department of Ophthalmology, Hospital Geral Roberto Santos, Salvador, Brazil
2. Vision Institute, Department of Ophthalmology, Paulista Medical School, Federal University of São Paulo, São Paulo, Brazil
3. Gonçalo Moniz Research Center, Oswaldo Cruz Foundation, Salvador, Brazil
4. Gonçalo Moniz Research Center, Oswaldo Cruz Foundation, Salvador, Brazil4Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, Connecticut