1. Department of Dentistry and Oral Health, Section for Periodontology, Aarhus University, Aarhus, Denmark
2. Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
3. National Dental Research Institute Singapore, National Dental Centre Singapore, Singapore
4. Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore
5. Graduate Dentistry Program, Federal University of Maranhão, São Luís, Maranhão, Brazil
6. Department of Public Health, Aarhus University, Aarhus, Denmark