1. Department of Preventive and Restorative Dental Sciences School of Dentistry, University of California San Francisco CA USA
2. Department of Dentistry ‐ Quality and Safety of Oral Healthcare Radboud University ‐ Radboudumc (RIHS) Nijmegen The Netherlands
3. Medical Faculty, Department of Conservative Dentistry Section for Translational Health Economics, Heidelberg University Heidelberg Germany
4. Independent Consultant Vancouver BC Canada
5. University of Sydney, School of Dentistry Sydney Australia
6. Department of Diagnostic and Biomedical Sciences University of Texas Health Science Center School of Dentistry at Houston Houston TX USA
7. Department of Oral Health Policy and Epidemiology Harvard School of Dental Medicine Boston MA USA