Affiliation: | 1. Professor, Department of Orthodontics, Bauru Dental School, University of São Paulo, Bauru, São Paulo, Brazil.;2. Graduate student, Department of Orthodontics, Bauru Dental School, University of São Paulo, Bauru, São Paulo, Brazil.;3. Professor, Department of Orthodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.;4. Associate professor. Department of Orthodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada. |