1. Department of Social Services and Health Care; Oral Health Care; Helsinki Finland
2. Unit of Primary Health Care; Helsinki University Central Hospital and University of Helsinki; Department of General Practice; Helsinki Finland
3. Helsinki Metropolia, University of Applied Sciences; Helsinki Finland
4. Department of Social Services and Health Care; Developmental and Operational Support; Helsinki Finland
5. Department of Stomatognathic Physiology and Prosthetic Dentistry Faculty of Medicine; University of Helsinki; Helsinki Finland