1. Department of Biomaterials Science, Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Turku, Finland
2. Department of Advanced Prosthodontics, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
3. Department of Pediatric Dentistry/Special Needs Dentistry, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
4. Wellbeing Services County of South-West Finland, Turku, Finland