1. Clinic of Fixed and Removable Prosthodontics and Dental Material ScienceUniversity of Zurich Zurich Switzerland
2. Department of Oral and Maxillofacial SurgeryPlastic SurgeryUniversity Medical Center of the Johannes Gutenberg University Mainz Mainz Germany
3. Department of DentistryUniversidade Estadual de Maringa Maringa Brazil
4. Department of PeriodonticsUniversity of Iowa College of Dentistry Iowa City Iowa
5. Centre for Oral Clinical Research, Barts and The London School of Medicine and DentistryQueen Mary University of London London UK
6. Private Practice Chicago Illinois
7. Department of Oral Surgery and StomatologyUniversity of Bern Bern Switzerland
8. Department of Oral ImplantologyPeking University School and Hospital of Stomatology Beijing China
9. Department of ProsthodonticsTufts University School of Dental Medicine Boston Massachusetts
10. University of Porto Porto Portugal
11. Complutense University of Madrid Madrid Spain
12. Department of PeriodontologyUniversity of Würzburg, Germany and Private Office Nuremberg/Fuerth Germany
13. Gary Finelle, Private Practice Paris France
14. South Florida Center for Periodontics and Implant Dentistry Boca Raton Florida
15. Nova Southeastern University Fort Lauderdale, Florida
16. Department of Oral and Maxillofacial SurgeryCopenhagen University Hospital Copenhagen Denmark
17. Clinical DentistryFaculty of Health SciencesUniversity of Tromsø Tromsø Norway
18. ProsthodonticsFaculty of DentistryUniversity of Toronto Toronto Ontario Canada
19. Private PracticeMM Dental Clinic Tokyo Japan
20. Tokyo Medical and Dental University Tokyo Japan
21. Department of Cranio‐Maxillofacial SurgeryUniversity Hospital Münster Münster Germany
22. Advanced General Dentistry DepartmentFaculty of DentistryMahidol University Bangkok Thailand
23. Adult Oral Health‐PeriodontologyBarts and The London School of Medicine and DentistryQueen Mary University of London London UK
24. Department of PeriodontologyInternational University of Catalonia Barcelona Spain
25. Department of Oral Surgery and RadiologyDental SchoolMedical University of Graz Graz Austria
26. Department of Oral and Maxillofacial SurgeryUniversity Medical Center Hamburg‐Eppendorf Hamburg Germany
27. ParodontologiaUniversità di Bologna Bologna Italy
28. OMF SurgeryFree University, VU Medical Center Amsterdam The Netherlands
29. Klinik für Mund‐, Kiefer‐ und GesichtschirurgiePlastisch‐ästhetische OperationenZentrum für Implantologie, Klinikum StuttgartKatharinen Hospital Stuttgart Germany
30. Department of Periodontology Semmelweis Egyetem Budapest Hungary