1. Division of Oral Pathology, Graduate School of Dentistry, Tohoku University
2. Tohoku Fukushi University
3. Division of Advanced Prosthetic Dentistry, Graduate School of Dentistry, Tohoku University
4. Department of Health Care Medical Research Venture Business Laboratory, Kanazawa University
5. Division of Oral and Maxillofacial Surgery, Graduate School of Dentistry, Tohoku University