1. Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
2. Faculté de Médecine Dentaire, Université de Montréal, Montreal, Canada
3. CICO Research Centre, Integral Dentistry of Adults Department, Faculty of Dentistry, Universidad de la Frontera, Temuco, Chile
4. Department of Dental Materials and Prostheses, School of Dentistry of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Brazil