1. School of Dentistry of Ribeirão Preto; University of São Paulo; Ribeirão Preto Brazil
2. School of Dentistry; University of Ribeirão Preto; Ribeirão Preto Brazil
3. Department of Oral Pathology; São Leopoldo Mandic Institute and Research Center; Campinas Brazil
4. School of Dentistry; Centro Universitário Paulista Central; São Carlos Brazil
5. Institute for Research and Development; University of Vale do Paraíba; São José dos Campos SP Brazil