1. Nihon University Graduate School of Dentistry at Matsudo, Removable Prosthodontics
2. Department of Removable Prosthodontics, Nihon University of Dentistry at Matsudo
3. Department of Oral Immunology, Nihon University School of Dentistry at Matsudo
4. Department of Dental Biomaterials, Nihon University of Dentistry at Matsudo