1. University of Heidelberg, Institute of Medical Biometry and Informatics, Heidelberg, Germany
2. Section for Translational Health Economics, Department of Conservative Dentistry, Heidelberg University, Heidelberg, Germany
3. Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Dentistry — Quality and Safety of Oral Healthcare, Nijmegen, The Netherlands
4. Dental Academy for Continuing Professional Development, Karlsruhe, Germany
5. Christian-Albrechts-University Kiel, Clinic for Conservative Dentistry and Periodontology, Kiel, Germany
6. PMV Research Group, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany