1. Department of Otorhinolaryngology – Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland;
2. Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland;
3. Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden;
4. Department of Otorhinolaryngology, Head and Neck Surgery, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden;
5. Department of Molecular Medicine and Surgery, Karolinska University Hospital, Stockholm, Sweden;
6. Department of Reconstructive Plastic Surgery, Karolinska University Hospital, Stockholm, Sweden;
7. Department of Plastic Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland;
8. Department of Otorhinolaryngology – Head and Neck Surgery, Oulu University Hospital, Oulu, Finland