1. Laboratory of Oral Histopathology; Department of Dentistry; Faculty of Health Sciences; University of Brasília; Brasília Brazil
2. Laboratory of Molecular Pharmacology; Department of Pharmacy; Faculty of Health Sciences; University of Brasília; Brasília Brazil
3. Specialization in Periodontics; Brazilian Dentistry Association; Brasília Brazil
4. Department of Oral Surgery and Periodontology; School of Dentistry of Ribeirão Preto; University of São Paulo; Ribeirão Preto Brazil
5. Department of Dentistry; Brazilian Centre of Evidence-Based Research; Federal University of Santa Catarina; Florianopolis Brazil
6. School of Dentistry; Faculty of Medicine and Dentistry; University of Alberta; Edmonton AB Canada