1. Assistant Clinical Professor, School of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada.
2. PhD student, Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil.
3. Associate Professor, Department of Anesthesiology and Pain Medicine and Department of Psychiatry & Pediatrics, and Chief of Psychology, Multidisciplinary Pain Centre, University of Alberta, Edmonton, Canada.
4. Associate Professor, Department of Dentistry, Federal University of Santa Catarina, Florianopolis, Brazil, and Adjunct Professor, Department of Dentistry School of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada.
5. Professor, Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil.
6. Professor and Division Head of Orthodontics, School of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada.