Affiliation: | a Research fellow, Department of Pediatric Clinics, Preventive and Community Dentistry, Ribeirão Preto Dental School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil b Professor of microbiology, Department of Clinical Analysis, Toxicology and Bromatology, School of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto, São Paulo, Brazil c Professor of orthodontics, Department of Pediatric Clinics, Preventive and Community Dentistry, Ribeirão Preto Dental School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil d Professor of pediatric dentistry, Department of Pediatric Clinics, Preventive and Community Dentistry, Ribeirão Preto Dental School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil |