1. The Japan Denture Care Society, Japan
2. Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
3. Department of Removable Prosthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
4. Department of Prosthodontics and Oral Implantology, School of Dentistry, Iwate Medical University, Morioka, Japan
5. Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
6. Section of Oral Prosthetic Engineering, Tokyo Medical and Dental University, Tokyo, Japan
7. Division of Prosthodontics & Oral Rehabilitation Department of Oral Function and Restoration Graduate School of Dentistry Kanagawa Dental University, Kanagawa, Japan
8. Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine, Kanagawa, Japan
9. Department of Removable Prosthodontics and Occlusion Osaka Dental University, Osaka, Japan
10. Department of Prosthodontics and Oral Rehabilitation, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
11. Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
12. Department of Oral and Maxillofacial Prosthodontics, Field of Oral and Maxillofacial Rehabilitation, Course for Advanced Therapeutic, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
13. Denture Prosthodontic Restoration, Advanced Dentistry Center, Kagoshima University Medical and Dental Hospital, Kagoshima, Japan
14. Hiroshima University, Hiroshima, Japan