1. Section of Periodontology, Department of Dentistry and Oral HealthAarhus University Aarhus Denmark
2. School of Dentistry and Oral HealthGriffith University Gold Coast Queensland Australia
3. Graduate Program in DentistryFederal University of Pelotas Pelotas Brazil
4. Graduate Program in EpidemiologyFederal University of Pelotas
5. Menzies Health Institute QueenslandGriffith University