1. Department of Dental Public Health, Faculty of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
2. Oral Health Society Research Unit, Faculty of Dentistry, McGill University, Montreal, Canada
3. Department of Dental Materials and Prosthetic Dentistry, Faculty of Dentistry of Ribeirão Preto, Universidade de São Paulo, São Paulo, Brazil
4. Department of Restorative Dentistry, Faculty of Dentistry, Université de Montréal, Montréal, Canada
5. Department of Psychology, Queen’s University, Kingston, Canada