1. Department of Dental Clinical Specialties and ETEP Research Group; Faculty of Odontology; University Complutense of Madrid; Madrid Spain
2. Department of Biomaterials; Institute of Clinical Sciences; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
3. Department of Preventive Dentistry, Periodontology and Implant Biology; School of Dentistry; Aristotle University of Thessaloniki; Thessaloniki Greece
4. Department of Periodontology and Oral Implantology; School of Dental Medicine; Tel Aviv University; Tel Aviv Israel
5. Department of Periodontology; School of Dental Medicine; University of Zagreb; Zagreb Croatia
6. Centre for Immunobiology & Regenerative Medicine & Centre for Oral Clinical Research; Institute of Dentistry; Barts & The London School of Medicine and Dentistry; Queen Mary University of London (QMUL); London UK
7. Department Periodontology & Implantology; College of Dental Science; Radboud University Medical Center; Nijmegen The Netherlands
8. Department of Periodontology and Synoptic Dentistry; Charité - Universitätsmedizin Berlin; Berlin Germany
9. Department of Periodontology; Johann Wolfgang Goethe-University; Frankfurt Germany
10. Department of Prosthetics an Oral Function; Institute of Clinical Dentistry; Faculty of Dentistry; University of Oslo; Oslo Norway
11. Department of Biomaterials; Institute of Clinical Dentistry; Faculty of Dentistry; University of Oslo; Oslo Norway
12. Dental Biomaterials Research Unit (d-BRU); Department of Periodontology and Oral Surgery; University of Liège (ULiège); ULiège Belgium
13. Inserm, U791; Laboratory for Osteoarticular and Dental Tissue Engineering; Faculty of Dental Surgery; University of Nantes; Nantes Cedex 1 France
14. Department of Clinical Dentistry; Center for Clinical Dental Research; University of Bergen; Bergen Norway
15. Department of Oral and Maxillofacial Surgery; George-Augusta-University; Gottingen Germany