1. Cariology and Operative Dentistry Department, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
2. Department of Operative Dentistry, Graduate School of Medicine and Dentistry, Okayama University
3. Biomimetics Biomaterials Biophotonics Biomechanics & Technology (B4T) laboratory, Department of Restorative Dentistry, University of Washington School of Dentistry