1. Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan.
2. Department of Oral Disease Research, National Center for Geriatrics and Gerontology, Obu, Japan.
3. Department of Biomaterials and Bioengineering, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan.
4. Laboratories for Structure and Function Research, Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan.
5. Department of Oral and Maxillofacial Anatomy, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan.