1. Department of Nuclear Medicine and PET/CT Centre, Imaging Institute of Southern Switzerland, Bellinzona, Switzerland
2. Department of Radiotherapy, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland
3. Department of Medical Oncology, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland
4. Department of Otolaryngology-Head and Neck Surgery, Ospedale Regionale di Lugano, Lugano, Switzerland