1. Dental Research Division, Department of Periodontology, Guarulhos University, Praça Tereza Cristina, Guarulhos, Brazil.
2. Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, Brazil.
3. Departamento de Ciencias Básicas y Medicina Oral, Universidad Nacional de Colombia, Bogotá, Colombia.
4. Department of Periodontics and Preventive Dentistry, University of Pittsburgh School of Dental Medicine, Pittsburgh, Pennsylvania, USA.
5. Dental Science School (Faculdade de Ciências Odontológicas—FCO), Montes Claros, Brazil.