1. Cariology and Operative Dentistry, Oral Restitution Department, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
2. Removable Partial Prosthodontics Department, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
3. Division of Conservative Dentistry, King’s College London Dental Institute at Guy’s, King’s and St Thomas’ Hospitals, King’s College London