Institution: | 1. Servicio de Medicina Nuclear, Hospital Universitario Virgen Macarena, Sevilla, España;2. Department of Nuclear Medicine, The Netherlands Cancer Institute, Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands;3. Department of Head & Neck Surgery and Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands;4. Department of Radiology, Leiden University Medical Centre, Leiden, Netherlands |