1. Department of Pharmaceutical Sciences; University of Sorocaba; Sorocaba Brazil
2. Division of Periodontics; College of Dentistry; State University of São Paulo; São José dos Campos Brazil
3. Department of Pharmacology, Anesthesiology and Therapeutics; Dental School of Piracicaba; State University of Campinas; Piracicaba Brazil
4. Department of Dentistry; University of Santo Amaro; São Paulo Brazil
5. Department of Pharmacology, Anesthesiology and Therapeutics; São Leopoldo Mandic Dental School; Campinas Brazil
6. Department of Prosthodontics and Periodontology; Dental School of Piracicaba; State University of Campinas; Piracicaba Brazil
7. Department of Clinical Research; The Forsyth Institute; Boston MA USA