1 Department of Health Informatics, Federal University of São Paulo, Paulista School of Medicine, 04023-062 São Paulo, SP, Brazil ; Department of Biochemistry, Federal University of São Paulo, Paulista School of Medicine, 04039-032 São Paulo, SP, Brazil.
2 Department of Biochemistry, University of São Paulo, 05508-000 São Paulo, SP, Brazil.
3 Department of Ophthalmology, Federal University of São Paulo, Paulista School of Medicine, 04023-062 São Paulo, SP, Brazil ; Department of Ophthalmology, Tufts University School of Medicine, Boston, MA 02111, USA.