1. Center of Biophotonics, School of Dentistry, Federal University of Bahia, Salvador, Brazil.
2. Dental School, Universidade do Vale do Paraíba, São José dos Campos, Sao Paulo, Brazil.
3. Oral Pathology, School of Dentistry, Federal University of Bahia, Salvador, Brazil.
4. Dental Public Health, School of Dentistry, Federal University of Bahia, Salvador, Brazil.
5. Universidade Camilo Castelo Branco, São José dos Campos, Sao Paulo, Brazil.
6. Instituto Nacional de Ciência e Tecnologia de Óptica e Fotônica, São Carlos, Sao Paulo, Brazil.