1. Leticia Barroso Morgado, DDS, MSc, Department of Biomaterials and Oral Biology, School of Dentistry, Universidade de São Paulo, São Paulo, Brazil
2. Marlus da Silva Pedrosa, DDS, PhD, Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. *Igor Studart Medeiros, DDS, MSc, PhD, Department of Biomaterials and Oral Biology, School of Dentistry, Universidade de São Paulo, São Paulo, Brazil