1. Okayama University Dental School, Advanced Research Center for Oral and Craniofacial Sciences
2. Okayama University Hospital, Center for Innovative Clinical Medicine
3. Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Department of Occlusion and Removable Prosthodontics
4. Hokkaido University, Faculty of Dental Medicine, Department of Biomaterials and Bioengineering
5. KU Leuven (University of Leuven), Department of Oral Health Sciences, BIOMAT & University Hospitals Leuven, Dentistry