1. Unit for Specialized Oral Care in the Metropolitan Area and Kirkkonummi, Department of Social Services and Health Care, City of Helsinki, Helsinki, Finland;
2. Translational Immunology Program (TRIMM), Department of Oral and Maxillofacial Diseases, Clinicum, University of Helsinki, Helsinki, Finland;
3. Cellular Physiology, Minerva Foundation Institute for Medical Research, Helsinki, Finland;
4. Cancer and Translational Medicine Research Unit, Faculty of Medicine, University of Oulu and Oulu University Hospital, Oulu, Finland;
5. Medical Research Center, Oulu University Hospital, Oulu, Finland;
6. Department of Oral and Maxillofacial Diseases, and Translational Immunology Program (TRIMM), University of Helsinki, Helsinki, Finland;
7. Institute of Dentistry, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland;
8. Oral Health Teaching Clinic and Oral and Maxillofacial Diseases Clinic, Kuopio University Hospital, Kuopio, Finland