1. Division of Oral Surgery, University Clinic of Dentistry Medical University of Vienna Vienna Austria
2. Department of Periodontology, Faculty of Odontology University of Malmö Malmö Sweden
3. Division of Regenerative Dentistry and Periodontology, University Clinics of Dental Medicine (CUMD) University of Geneva Geneva Switzerland
4. Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry Medical University of Vienna Vienna Austria
5. Core Facility Hard Tissue and Biomaterial Research, Karl Donath Laboratory, School of Dentistry Medical University of Vienna Vienna Austria