1. Department of Biomedicine University of Bergen Bergen Norway
2. Department of Clinical Dentistry University of Bergen Bergen Norway
3. Department of Oral Surgery Haukeland University Hospital Bergen Norway
4. Department of Clinical Dentistry The Arctic University of Tromsø Faculty of Health Sciences Tromsø Norway
5. Łukasiewicz Research Network ‐ PORT Polish Center for Technology Development Cancer Biomarkers Research Group Wroclaw Poland
6. Oral Centre of Expertise in Western Norway Bergen Norway