1. Currently, Department of Dentistry and Oral Health, Section of Periodontology, Faculty of Health Sciences, Aarhus University, Aarhus, Denmark; previously, Postgraduate Program in Dentistry, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil.
2. Australian Research Center for Population Oral Health, School of Dentistry, The University of Adelaide, Adelaide, SA, Australia.
3. Postgraduate Program in Epidemiology, Federal University of Pelotas.
4. Postgraduate Program in Dentistry, Federal University of Pelotas.