1. Department of Oral Health Sciences & Dental Clinic; KU Leuven & University Hospitals Leuven; BIOMAT KU Leuven & Prosthetics Unit; Leuven Belgium
2. Division of Advanced Prosthetic Dentistry; Tohoku University Graduate School of Dentistry; Sendai Japan
3. Department of Prosthodontics and Periodontology; State University of Campinas; Piracicaba Dental School; Piracicaba SP Brazil