1. Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada
2. Department of Dental Public Health, University of Maryland School of Dentistry, Baltimore, MD, USA
3. Australian Research Centre for Population Oral Health, The University of Adelaide, Adelaide, SA, Australia
4. Postgraduate Program in Dentistry, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
5. Department of Sociological Studies, The University of Sheffield, Sheffield, United Kingdom