[1] Hosp Geral Roberto Santos, Dept Ophthalmol, Salvador, BA, Brazil
[2] Univ Fed Sao Paulo, Vis Inst, Sao Paulo, Brazil
[3] Univ Fed Sao Paulo, Dept Ophthalmol, Rua Botucatu 821,1st Floor, BR-04023062 Sao Paulo, Brazil
[4] Fundacao Oswaldo Cruz, Inst Fernandes Figueira, Clin Res Unit, Rio De Janeiro, Brazil
[5] Fundacao Oswaldo Cruz, Goncalo Moniz Res Ctr, Salvador, BA, Brazil
[6] Yale Sch Publ Hlth, Dept Epidemiol Microbial Dis, New Haven, CT USA
[7] Altino Ventura Fdn, Recife, PE, Brazil