1. Public Health Center Oral Health Care ServicesKuopio Finland
2. Institute of Dentistry University of Eastern Finland Kuopio Finland
3. Chief Dentist, Social and Health Services Espoo Finland
4. Institute of Public Health and Clinical Nutrition University of Eastern Finland Kuopio Finland
5. Kuopio Research Centre of Geriatric Care School of Pharmacy Faculty of Health Sciences University of Eastern Finland Kuopio Finland
6. Institute of Dentistry Department of Oral and Maxillofacial Diseases Kuopio University Hospital Kuopio Finland