1. Medical Oncology Department, Leon University Hospital, León, Spain
2. MUsculoSkeletal Tumor Board of Excellence Sevilla (MUSTBE SEVILLA), Virgen del Rocío University Hospital, Sevilla, Spain
3. Sarcoma Unit, Interdisciplinary Tumor Center Mannheim, University Medical Center, University of Heidelberg, Theodor‑Kutzer‑Ufer, Mannheim, Germany
4. Medical Oncology Department, Centre Léon Bérard, Lyon, France
5. Medical Oncology Department, Université Claude Bernard Lyon I, Lyon, France
6. Medical Oncology Department, Gustave Roussy, Villejuif, France