1. Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
2. The Forsyth Institute, Harvard School of Dental Medicine Affiliate
3. American Dental Association Science and Research Institute
4. Tokyo Metropolitan Industrial Technology Research Institute
5. Department of Operative Dentistry, Division of Oral Functional Science and Rehabilitation, School of Dentistry, Asahi University