1. Department of Pathology University of Helsinki Helsinki Finland
2. Research Program in Systems Oncology, Faculty of Medicine University of Helsinki Helsinki Finland
3. Institute of Biomedicine, Pathology University of Turku Turku Finland
4. Faculty of Dentistry University of Misurata Libya
5. Institute for Molecular Medicine Finland (FIMM), University of Helsinki Helsinki Finland
6. Department of Public Health University of Helsinki Helsinki Finland
7. Department of Mathematics and Statistics University of Helsinki Helsinki Finland
8. Department of Otorhinolaryngology—Head and Neck Surgery University of Helsinki and Helsinki University Hospital Helsinki Finland
9. Division of Ear, Nose and Throat Diseases, Department of Clinical Sciences, Intervention and Technology Karolinska Institutet and Karolinska University Hospital Stockholm Sweden