1. Department of Orthodontics, Nippon Dental University School of Life Dentistry at Niigata
2. Nippon Dental University College at Niigata
3. Department of Biology, Nippon Dental University School of Life Dentistry at Niigata
4. Department of Dental Materials Science, Nippon Dental University School of Life Dentistry at Niigata
5. Orthodontic Dentistry, Nippon Dental University Niigata Hospital