1. Department of Biomaterials Science and Turku Clinical Biomaterials Centre (TCBC), Institute of Dentistry, University of Turku
2. Department of Pediatric Dentistry/Special Needs Dentistry, Tokyo Medical and Dental University (TMDU)
3. Department of Advanced Prosthodontics, Tokyo Medical and Dental University (TMDU)
4. Department of Restorative Dentistry, Faculty of Dentistry, University of Gazi
5. Department of Prosthodontics, Faculty of Dentistry, University of Ankara
6. Restorative Dentistry, Faculty of Dentistry, Harran University
7. Welfare District of South-West Finland