1. Jan Mueller, DDS, postdoctorate, Department of Operative Dentistry and Periodontology, School of Dental Medicine, Campus Benjamin Franklin, Charité–Universitätsmedizin, Berlin, Germany
2. Hendrik Meyer-Lueckel, DDS, assistant professor, Department of Operative Dentistry and Periodontology, School of Dental Medicine, Campus Benjamin Franklin, Charité–Universitätsmedizin, Berlin, Germany
3. Sebastian Paris, DDS, postdoctorate, Department of Operative Dentistry and Periodontology, School of Dental Medicine, Campus Benjamin Franklin, Charité–Universitätsmedizin, Berlin, Germany
4. Werner Hopfenmuller, DMD, PhD, assistant professor, Department of Medical Informatics, Biometry and Epidemiology, Campus Benjamin Franklin, Charité–Universitätsmedizin, Berlin, Germany
5. Andrej M Kielbassa, DDS, PhD, professor and head, Department of Operative Dentistry and Periodontology, School of Dental Medicine, Campus Benjamin Franklin, Charité–Universitätsmedizin, Berlin, Germany