1. Department of Periodontology, School of Dental Medicine University of Bern Bern Switzerland
2. Department of Periodontology, Faculty of Dentistry Gazi University Ankara Turkey
3. Preclinical & Translational Research, Institut Straumann AG Basel Switzerland
4. Department of Periodontology, Faculty of Dentistry University of Zurich Zurich Switzerland
5. iNANO and Department of Physics and Astronomy Science and Technology Aarhus Denmark
6. Department of Periodontology, Faculty of Odontology Malmö University Malmö Sweden
7. Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry Medical University of Vienna Vienna Austria