1. Oral and Dental Health Department, Altınbaş University, İstanbul, Turkey
2. Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki University Hospital, Helsinki, Finland
3. Radiotherapy Department, Altınbaş University, İstanbul, Turkey
4. Radiation Oncology Department, Başakşehir Çam and Sakura City Hospital, İstanbul, Turkey
5. Department of Oral Pathology and Radiology, University of Turku, Turku, Finland
6. Department of Pathology HUSLAB, Helsinki University Hospital, Helsinki, Finland
7. Research Programs Unit, Translational Cancer Medicine, University of Helsinki, Helsinki, Finland
8. Department of Pathology, HUSLAB & University of Helsinki, Helsinki, Finland
9. Department of Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
10. Department of Periodontology, Institute of Dentistry, University of Turku, Turku, Finland
11. Section of Periodontology and Dental Prevention, Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Sweden