1. Academic Center for Dentistry Amsterdam Amsterdam The Netherlands
2. Department of Dental Medicine University of Bern Bern Switzerland
3. Department of Oral and Maxillofacial Surgery University of Freiburg Freiburg Germany
4. Department Implant DentistryUniversity of Hong Kong Hong Kong
5. University of Rosario Buenos Aires Argentina
6. University of São Paulo Sao Paulo Brazil
7. Private Practice Kitchener Ontario Canada
8. Universidad Nacional de Cuyo Mendoza Argentina
9. University of Toronto Toronto Ontario Canada
10. Private Practice Rancho Cucamonga California USA
11. University of Liege Liege Belgium
12. Queen Mary University of London London UK
13. Harvard School of Dental Medicine Boston Massachusetts
14. Private Practice Melbourne Victoria Australia
15. University of Geneva Geneva Switzerland
16. Private Practice Wurzburg Germany
17. Private Practice Cáceres Spain
18. Michigan State University East Lansing Michigan
19. Department of Oral SurgerySchool of Dental MedicineUniversity of Belgrade Belgrade Serbia
20. Okan University Istanbul Turkey
21. Tufts University Boston Massachusetts
22. University of Basel Basel Switzerland
23. Pontificia Universidad Católica de Chile Santiago Chile
24. Kyung Hee University Dental School Hospital Seoul South Korea
25. University of Groningen Groningen The Netherlands
26. School of StomatologyBinzhou Medical University Binzhou China
27. Tokyo Medical and Dental University Tokyo Japan
28. University of Louisville Louisville Kentucky
29. Private Practice São Paulo Brazil
30. Private Practice Capetown South Africa
31. Faculty of Dental Medicine University of Belgrade Belgrade Serbia
32. Peking University School of Stomatology Beijing China