1. Department of Otorhinolaryngology – Head and Neck Surgery Turku University and Turku University Hospital Turku Finland
2. Department of Oncology and Radiotherapy Turku University and Turku University Hospital Turku Finland
3. Department of Clinical Medicine, Biostatistics Turku University and Turku University Hospital Turku Finland
4. Department of Endocrinology, Division of Medicine Turku University and Turku University Hospital Turku Finland