1. Department of Prosthetic Dentistry and Stomatognathic Physiology, Institute of Dentistry University of Turku Turku Finland
2. Turku Clinical Biomaterials Center (TCBC) University of Turku Turku Finland
3. School of Chemical Engineering Aalto University Foundation, AALTO Espoo Finland
4. Biomaterials Radboud University Nijmegen Medical Center Nijmegen Netherlands
5. Department of Oral Pathology and Radiology, Institute of Dentistry University of Turku Turku Finland
6. Department of Pathology Turku University Central Hospital Turku Finland
7. Welfare Division Oral Health Care Turku Finland
8. Department of General Practice, School of Dentistry Virginia Commonwealth University Richmond VA USA