1. Department of Oral Surgery and Implantology Carolinum, Goethe University Frankfurt Germany
2. Buser Consulting Services Gümligen Switzerland
3. Department of Periodontology, School of Dental Medicine University of Bern Bern Switzerland
4. Department of Preclinical and Translational Research Institut Straumann AG Basel Switzerland
5. Department of Periodontology Malmo University Malmo Sweden
6. Department of Periodontology, Faculty of Dentistry University of Zurich Zurich Switzerland
7. Department of Global Medical Education Institut Straumann AG Basel Switzerland
8. Department of Implantology Faculdade São Leopoldo Mandic Campinas Brazil