1. Department of Periodontology, Dental Research Division, University of Guarulhos (UnG), Sao Paulo, Brazil
2. Department of Periodontology and Oral Implantology, UNISUL, Florianópolis, Brazil
3. Dental Research Division, Graduate Program at the Veiga de Almeida University, Rio de Janeiro, Brazil
4. Department of Periodontics and Preventive Dentistry, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
5. Dental Science School, Faculdade de Ciências Odontológicas, Montes Claros, Brazil