1. Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan.
2. Department of Prosthodontics, School of Dentistry, Showa University, Tokyo, Japan.
3. Department of Oral and Maxillofacial Surgery, School of Dentistry, Showa University, Tokyo, Japan.
4. Department of Oral Physiology, School of Dentistry, Showa University, Tokyo, Japan.
5. Department of Rheumatosurgery, Osaka City University Medical School, Osaka, Japan.
6. Division of Craniofacial Function Engineering, Tohoku University Graduate School of Dentistry, Miyagi, Japan.