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