1. Department of Orthodontics, Bauru Dental School, University of São Paulo, Bauru, SP, Brazil
2. Department of Orthodontics, Faculty of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
3. Department of Orthodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
4. Department of Orthodontics, Ingá Dental School, Maringá, PR, Brazil