1. Department of Biomaterials Science, Institute of Dentistry, University of Turku, Turku, Finland
2. City of Kotka Municipal Health Centre, Kotka, Finland
3. Turku Clinical Biomaterials Centre – TCBC, Turku, Finland
4. Stick Tech Ltd – GC Group, Turku, Finland
5. Department of Oral Development and Orthodontics, Institute of Dentistry, University of Turku, Turku, Finland
6. Oral Health Care, Turku Welfare Division, City of Turku, Finland