1. Pipop Saikaew, DDS, MSc, Mahidol University, Operative Dentistry and Endodontics, Bangkok, Thailand
2. Mariko Matsumoto, DDS, PhD, Hokkaido University, Restorative Dentistry, Sapporo, Japan
3. A.F.M. Almas Chowdhury, DDS, PhD candidate, Hokkaido University, Restorative Dentistry, Sapporo, Japan
4. Ricardo M Carvalho, DDS, PhD, professor, UBC, Oral Biological and Medical Sciences, Faculty of Dentistry, Vancouver, BC, Canada
5. Hidehiko Sano, DDS, PhD, professor, Division of Oral Health Science, Department of Restorative Dentistry, Sapporo, Japan