1. Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, 5009 Bergen, Norway
2. Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria
3. Austrian Cluster for Tissue Regeneration, 1090 Vienna, Austria
4. Department of Periodontology, School of Dental Medicine, University of Bern, 3012 Bern, Switzerland
5. ETEP Research Group, Faculty of Odontology, University Complutense of Madrid, 28040 Madrid, Spain
6. Department of Immunology and Transfusion Medicine, Haukeland University Hospital, 5021 Bergen, Norway
7. Department of Clinical Science, Faculty of Medicine, University of Bergen, 5021 Bergen, Norway