1. Department of Medical Oncology IRCCS Fondazione Istituto Nazionale Tumori Milano Italy
2. Department of Sarcoma Medical Oncology The University of Texas MD Anderson Cancer Center Houston Italy
3. Unit of Clinical Epidemiology and Trial Organization IRCCS Fondazione Istituto Nazionale Tumori Milano Italy
4. Department of Medical Oncology Università Campus Bio‐Medico di Roma Roma Italy
5. Division of Medical Oncology Candiolo Cancer InstituteFPO ‐ IRCCS Candiolo Torino Italy
6. Department of Oncology National Taiwan University Hospital and Graduate Institute of OncologyNational Taiwan University College of Medicine Taipei Taiwan
7. Department of Soft Tissue/Bone Sarcoma and Melanoma Maria Sklodowska‐Curie National Research Institute of Oncology Warsaw Poland
8. Department of Medical Oncology Nuovo Ospedale "S.Stefano" Prato Italy
9. Early Phase Trials and Sarcoma Units Institut Bergonié Bordeaux France
10. Medical Oncology Department Centre Oscar Lambret Lille France
11. Medical School Lille University Lille France
12. Department of Oncology Medical Oncology 1 Unit Istituto Oncologico VenetoIRCCS Padova Italy
13. Department of Medical Oncology Medical Oncology La Timone University HospitalAix‐Marseille Université (AMU Marseille France
14. Medical Oncology Department University Hospital Virgen del Rocio, and Institute of Biomedicine Sevilla Spain
15. Department of Musculoskeletal Oncology National Cancer Center Hospital Tokyo Japan
16. Sarcoma UnitRoyal Marsden NHS Foundation Trust/ Institute of Cancer Research, Chelsea London United Kingdom
17. Division of Medical Oncology P.A. Herzen Cancer Research Institute Moscow Russian Federation
18. Department of Medical Oncology Leiden University Medical Center Leiden the Netherlands
19. Department of Medical Oncology Radboud University Medical Centre Nijmegen Nijmegen The Netherlands
20. Department of Medical Oncology Pitié Salpétrière Hospital Paris France
21. Department Of Medical Oncology Chris O'Brien Lifehouse Sydney Australia
22. Medical Oncology Unit 1 Ospedale Policlinico San Martino IRCCSUniversity of Genoa Genoa Italy
23. Pathology department Maria Sklodowska‐Curie National Research Institute of Oncology Warsaw Poland
24. Department of Oncology and Hemato‐oncology University of Milan Milan Italy