1. Center of Biophotonics, School of Dentistry, Federal University of Bahia, Salvador, Brazil.
2. National Institute of Optics and Photonics, University of São Paulo, Physics Institute of São Carlos, São Carlos, Brazil.
3. Institute of Biomedical Engineering, Unicastelo, São José dos Campos, Brazil.
4. Oral Epidemiology and Public Health, School of Dentistry, Federal University of Bahia, Salvador, Brazil.
5. Laboratory of Surgical Pathology, School of Dentistry, Federal University of Bahia, Salvador, Brazil.