1. Institute of Dentistry; Faculty of Medicine; University of Oulu; Oulu Finland
2. Cancer and Translational Medicine Research Unit; Faculty of Medicine; University of Oulu and Oulu University Hospital; Oulu Finland
3. Department of Oral and Maxillofacial Diseases; University of Helsinki; Oulu Finland
4. Medical Research Center; Oulu University Hospital; Oulu Finland
5. Department of Oral and Maxillofacial Diseases; Kuopio University Hospital; Kuopio Finland
6. Institute of Dentistry; Faculty of Health Sciences; University of Eastern Finland; Kuopio Finland