[1] Univ Fed Bahia, Salvador, BA, Brazil
[2] Soc Brasileira Oncol Oftalmol, Sao Paulo, SP, Brazil
[3] Univ Fed Pernambuco, Recife, PE, Brazil
[4] Univ Fed Rio Grande do Sul, Porto Alegre, RS, Brazil
[5] Univ Fed Sao Paulo, Dept Oftalmol, Escola Paulista Med, Sao Paulo, SP, Brazil