Affiliation: | 1. Pediatric Oncology, The Royal Marsden Hospital, Sutton, UK;2. Pediatric Hematology and Oncology, University Hospital 12 de Octubre, Madrid, Spain;3. Pediatric Hematology and Oncology, University Hospital Cologne, Cologne, Germany;4. Department of Nuclear Medicine & PET/CT, The Royal Marsden Hospital, Sutton, UK |