1. Department of Periodontology, Faculty of Dentistry Ege University İzmir Turkey
2. Department of Preventive Oncology, Institute of Oncology Dokuz Eylul University İzmir Turkey
3. Department of Biostatistics and Medical Informatics, Faculty of Medicine Dokuz Eylul University İzmir Turkey
4. Department of Periodontology, Faculty of Dentistry Dokuz Eylul University İzmir Turkey
5. Institute of Health Sciences, Department of Dental Biomaterials Dokuz Eylul University İzmir Turkey
6. Centre for Oral Clinical Research, Barts and The London School of Medicine & Dentistry, Institute of Dentistry Queen Mary University of London (QMUL) London UK