1. Department of Radiation Oncology; Friedrich Alexander University of Erlangen-Nuremberg; Erlangen Germany
2. Clinic of Nuclear Medicine; Friedrich Alexander University of Erlangen-Nuremberg; Erlangen Germany
3. Institute of Radiology; Friedrich Alexander University of Erlangen-Nuremberg; Erlangen Germany
4. Department of Otorhinolaryngology-Head and Neck Surgery; Friedrich-Alexander-University Erlangen-Nuremberg; Erlangen Germany