1. Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba
2. Physical Fitness Technology Research Group, Human Informatics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST),Ibaraki
3. Department of Removable Prosthodontics, Nihon University School of Dentistry at Matsudo, Chiba
4. Department of Fixed Prosthodontics and Oral Implantology, Nihon University School of Dentistry at Matsudo, Chiba
5. Dental Support Co. Ltd, Chiba
6. Department of Anesthesiology, Nihon University School of Dentistry at Matsudo, Chiba