Affiliation: | 1. Adult Mesenchymal Tumor Medical Oncology Unit, Cancer Medicine Department, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano - Fondazione IRCCS, Milan, Italy;2. Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands;3. Department of Statistics, EORTC - European Organisation for Research and Treatment of Cancer, Brussels, Belgium;4. Department of Surgical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands;5. The Institute of Cancer Research, London, United Kingdom;6. Department of Surgery, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy;7. Department of Medical Oncology, Leids Universitair Medisch Centrum, Leiden, The Netherlands;8. Mannheim Cancer Center, Sarcoma Unit, University of Heidelberg, Mannheim University Medical Center, Mannheim, Germany |