1. Department of Cariology and Operative Dentistry, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)
2. Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
3. Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine
4. Division of Clinical Biomaterials, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University
5. Department of Fixed Prosthodontics, Nihon University School of Dentistry
6. Department of Adhesive Dentistry, School of Life Dentistry at Tokyo, The Nippon Dental University
7. Department of Operative Dentistry, Nihon University School of Dentistry
8. Tsubota Dental Clinic