[1
]Department of Oncology University of Turin Turin Italy
[2
]Sarcoma Unit, Division of Medical Oncology Candiolo Cancer Institute–FPO, IRCCS Candiolo
Italy
[3
]European Organization for Research and Treatment of Cancer Brussels Belgium
[4
]Leon Berard Center and Claude Bernard Lyon I University, EURACAN, LYRICAN Lyon France
[5
]Department of Medicine Gustave Roussy Villejuif Cedex France
[6
]Department of Soft Tissue/Bone Sarcoma and Melanoma Maria Sklodowska‐Curie Institute–Oncology
Center Gliwice Poland
[7
]Department of Experimental Pharmacology Mossakowski Medical Research Centre, Polish
Academy of Sciences Warsaw Poland
[8
]Medical Oncology Department Curie Institute Paris France
[9
]Virgen del Rocio University Hospital, Institute of Biomedicine Research/CSIC/University
of Seville Seville Spain
[10
]Medical Oncology Department Fondazione IRCCS Istituto Nazionale dei Tumori Milan Italy
[11
]Oncology Department Sharett Institute of OncologyHadassah‐Hebrew University Jerusalem
Israel
[12
]Medical Oncology - University Hospital Timone, Aix‐Marseille University Marseille
France
[13
]Department of Medical Oncology Campus Bio‐Medico University of Rome Rome Italy
[14
]St James's Institute of Oncology, Leeds Institute of Cancer and Pathology, University
of Leeds and Leeds Teaching Hospitals National Health Service Trust Leeds United Kingdom
[15
]Medical Oncology Clinique Universitaire Saint‐Luc Woluwe‐Saint‐Lambert Belgium
[16
]Department of Internal Medicine I University Hospital Cologne Cologne Germany
[17
]Claudius Regaud Institute, University Cancer Institute of Toulouse Toulouse France
[18
]Cancer Centre Queen Elizabeth Hospital Birmingham United Kingdom
[19
]Catalan Institute of Oncology Barcelona Spain
[20
]Sarcoma Unit Interdisciplinary Tumor CenterMannheim University Medical CenterUniversity
of Heidelberg Mannheim Germany
[21
]Department of Medical Oncology Leiden University Medical Center Leiden Netherlands
[22
]Department of Surgery Fondazione IRCCS Istituto Nazionale dei Tumori Milan Italy