1. Departmet of Biochemistry, Okayama University Dental School
2. Department of Molecular Biology, School of Science, Nagoya University
3. Deartment of Pharmacology, Kawasaki Medical School
4. Department of Oral and Maxillofacial Surgery I, Okayama University Dental School
5. Department of Oral Anatomy, Okayama University Dental School
6. Department of Biochemistry, Faculty of Medicine, University of Tokyo