1. Division of ENT Diseases, Department of Clinical Sciences, Intervention, and Technology, Karolinska Institutet, 171 77 Stockholm, Sweden
2. Department of Otorhinolaryngology, Karolinska University Hospital, 171 76 Stockholm, Sweden
3. Department of Medical Medicine, Unit of Dermatology, Karolinska Institutet, 171 77 Stockholm, Sweden
4. Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, 171 76 Stockholm, Sweden
5. Department of Molecular Medicine and Surgery, Karolinska Institutet, 171 77 Stockholm, Sweden
6. Medical Unit Head Neck, Lung and Skin Cancer, Karolinska University Hospital, 171 76 Stockholm, Sweden