1. Departement of Medical Oncology; Netherlands Cancer Institute; Amsterdam The Netherlands
2. Departement of Surgical Oncology; Netherlands Cancer Institute; Amsterdam The Netherlands
3. Departement of Surgical Oncology; Erasmus MC Cancer Institute; Rotterdam The Netherlands
4. Departement of Head and Neck Surgery and Oncology; Netherlands Cancer Institute; Amsterdam The Netherlands
5. Departement of Endocrine Oncology; University Medical Center Utrecht; Utrecht The Netherlands